





| Robert Reed of Littleville falls into an underground cavern at Valley Ridge. He discovers a dial made of a peculiar alloy, enscribed with a strange inscription. The science prodigy deciphers the words and discovers it is the handiwork of extraterrestrials. Thereafter, whenever he dials H-E-R-O, he becomes some form of super-hero. To revert back to normal he dials O-R-E-H. | House of Mystery #156 | |
| Robby Reed | Cometeer | House of Mystery #156 |
| Robby Reed | Giantboy | House of Mystery #156 |
| Robby Reed | Mole | House of Mystery #156 |
| Robby Reed | Human Bullet | House of Mystery #157 |
| Robby Reed | Super Charge | House of Mystery #157 |
| Robby Reed | Radar-Sonar Man | House of Mystery #157 |
| Robby Reed | Quake Master | House of Mystery #158 |
| "Daffy" Dagan accidentally
dials V-I-L-L-A-I-N | Daffy the Great (villain) | House of Mystery #158 |
| Robby Reed | Squid | House of Mystery #158 |
| Robby Reed | Human Starfish | House of Mystery #159 |
| Robby Reed | Hypno Man | House of Mystery #159 |
| Robby Reed | Mighty Moppet | House of Mystery #159 |
| Robby Reed | Giantboy | House of Mystery #160 |
| Robby Reed | King Kandy | House of Mystery #160 |
| Robby Reed | Plastic Man | House of Mystery #160 |
| Robby Reed | Magneto | House of Mystery #161 |
| Robby Reed | Hornet Man | House of Mystery #161 |
| Robby Reed | Shadow Man | House of Mystery #161 |
| Robby Reed | Mr. Echo | House of Mystery #162 |
| Robby Reed | Future Man | House of Mystery #162 |
| Robby Reed | Castor and Pollux, the Gemini Twins | House of Mystery #163 |
| Robby Reed | King Coil | House of Mystery #163 |
| Robby Reed | Zip Tide | House of Mystery #164 |
| Robby Reed | Super Nova | House of Mystery #164 |
| Robby Reed | Robby the Super Robot | House of Mystery #164 |
| Robby Reed | Whoozis, Whatsis, and Howzis | House of Mystery #165 |
| Robby Reed | Yankee Doodle Kid | House of Mystery #166 |
| Robby Reed | Chief Mighty Arrow (and Wingy) | House of Mystery #166 |
| Robby Reed | Balloon Boy | House of Mystery #167 |
| Robby Reed | Muscle Man | House of Mystery #167 |
| Robby Reed | Radar-Sonar Man | House of Mystery #167 |
| Robby Reed | Hoopster | House of Mystery #168 |
| Robby Reed | Mole-Cometeer | House of Mystery #168 |
| Robby Reed | Velocity Kid | House of Mystery #169 |
| Susan "Suzy" Shoemaker dials H-E-R-O-I-N-E | Gem Girl | House of Mystery #169 |
| Robby Reed | Astro, Man of Space | House of Mystery #169 |
| Robby Reed | Baron Buzz-Saw | House of Mystery #169 |
| Robby Reed | Don Juan | House of Mystery #170 |
| Robby Reed | Sphinx Man | House of Mystery #170 |
| Robby Reed | King Viking | House of Mystery #171 |
| Robby Reed | Robby Go-Go | House of Mystery #171 |
| Robby Reed | Whirl-I-Gig | House of Mystery #171 |
| Robby Reed | Pendulum | House of Mystery #172 |
| Jim (last name unrevealed) turns into monster when Robby Reed becomes Pendulum | "Ball-of-Fire Monster" (villain) | House of Mystery #172 |
| Robby Reed | Chief Mighty Arrow (and Wingy) | House of Mystery #172 |
| Jim (last name unrevealed) turns into monster when Robby Reed becomes Chief Mighty Arrow | "Six-Legged Squid Monster" (villain) | House of Mystery #172 |
| Robby Reed | the Human Solar Mirror | House of Mystery #172 |
| Jim (last name unrevealed) turns into monster when Robby Reed becomes the Human Solar Mirror | "Flying Stingray Monster" (villain) | House of Mystery #172 |
| Robby Reed uses quirky H-Dial | Gillman (hero, then villain) | House of Mystery #173 |
| Robby Reed uses quirky H-Dial | Human Icicle (hero, then villain) | House of Mystery #173 |
| Robby Reed uses quirky H-Dial | Strata Man (hero, then villain) | House of Mystery #173 |
| Robby Reed | possible unrevealed identities | |
| Robby Reed | "Tommy Tomorrow" | Silver Age Secret Files #1 (takes place some time after House of Mystery #169, assumed to take place before Silver Age: Dial H For Hero #1) |
| Susan "Suzy" Shoemaker
dials H-E-R-O-I-N-E | Supergirl | Silver Age Secret Files #1 (takes place some time after House of Mystery #169, assumed to take place before Silver Age: Dial H For Hero #1) |
| Robby Reed | possible unrevealed identities | |
| Robby Reed | Twilight | Silver Age: Dial H For Hero #1 |
| Robby Reed | Pyronic Man | Silver Age: Dial H For Hero #1 |
| Robby Reed | "the Giant" | Silver Age: Dial H For Hero #1 |
| Robby Reed | "the Quadruplets" | Silver Age: Dial H For Hero #1 |
| Robby Reed | Radar-Sonar Man | Silver Age: Dial H For Hero #1 |
| The Flash dials H-E-R-O | Marionette | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| The Atom dials H-E-R-O | Mod-Man | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Black Canary dials H-E-R-O-I-N-E | Miss Fortune | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Superman dials H-E-R-O | Doc Fission | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Batman dials H-E-R-O | Minuteman | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Aquaman dials H-E-R-O | Terra Firma | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Green Arrow dials H-E-R-O | Poltergeist | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| The Martian Manhunter dials H-E-R-O | Go-Go | Silver Age: Challengers of the Unknown #1, Silver Age 80-Page Giant #1 |
| Robby Reed | possible unrevealed identities | |
| Robby Reed uses rusted H-Dial | Mighty Moppet (villain) | Plastic Man [first DC series] #13 |
| Robby Reed uses rusted H-Dial | King Kandy (villain) | Plastic Man [first DC series] #13 |
| Robby Reed uses rusted H-Dial | the Mole (villain) | Plastic Man [first DC series] #13 |
| Robby Reed uses rusted H-Dial | the Human Starfish (villain) | Plastic Man [first DC series] #13 |
| Robby Reed uses rusted H-Dial | Plastic Man (villain) | Plastic Man [first DC series] #13 |
| Robby Reed | possible unrevealed identities | |
| Robby Reed | Circumference | New Adventures of Superboy #49 |
| Robby Reed dials D-I-V-I-D-E* | the Wizard (hero) and the Master (villain) | Both entities active from before Legion of Super-Heroes [second series] #272 to New Adventures of Superboy #49. Secret revealed in New Adventures of Superboy #45 and 49. |
| Robby Reed dials H-I-D-E- D-I-A-L* | H-Dial #1 disappears for years. | New Adventures of Superboy #49 |
| The Wizard creates H-Dial #2 and #3 and hides them in an old chest in the attic of a house in Fairfax. | New Adventures of Superboy #49 | |
| H-Dial #1 is found by the Wizard, he and the Master merge. H-Dial #1 is given to Nick Stevens. | New Adventures of Superboy #49 | |
| Nick Stevens | possible unrevealed identities | |
| Nick Stevens | unrevealed identities | Crisis On Infinite Earths #12 |
| Nick Stevens | possible unrevealed identities | |
| Robby Reed | possible unrevealed identities | |
| Robby Reed | Future Boy | H-E-R-O #15, 17-18 |
| Robby Reed, power internalized | unnamed identities | H-E-R-O #7-10,12-? |
| The current whereabouts of H-Dial #1 is unknown. It was last seen in the possession of Nick Stevens. It is unclear if H-Dial #4, shown in the possession of Robby Reed in flashback in H-E-R-O #15, is the same as H-Dial #1. In post-Zero Hour continuity, H-Dial #1 will end up in the Space Museum in the 25th century. |
| The 25th century H-Dial is stolen from the Space Museum and taken to the 30th century by Lori Morning. | Legion of Super-Heroes [fourth series] #91 | |
| Lori Morning in 30th century dials on 25th century H-Dial | "Star-Spangled Lass" | Legionnaires #51 |
| Lori Morning in 30th century dials on 25th century H-Dial | Fireball | Legionnaires #53 |
| Lori Morning in 30th century dials on 25th century H-Dial | Slipstream | Legionnaires #53 |
| Lori Morning in 30th century dials on 25th century H-Dial | Dyna-Soar | Legionnaires #55 |
| Lori Morning in 30th century dials on 25th century H-Dial | Chiller | Legionnaires #55 |
| Lori Morning in 30th century dials on 25th century H-Dial | Ink | Legionnaires #58 |
| Lori Morning in 30th century dials on 25th century H-Dial | "Blobetta" | Legionnaires #60 |
| Lori Morning in 30th century dials on 25th century H-Dial | Blip | Adventure Comics 80-Page Giant #1 |
| Lori Morning in 30th century dials on 25th century H-Dial | Galaxy Girl | Legion of Super-Heroes [fourth series] #105 |
| Lori Morning in 30th century dials on 25th century H-Dial | Plasma | Legionnaires #69 |
| Lori Morning in 30th century dials on 25th century H-Dial | possible unrevealed identities | |
| Lori Morning in 30th century dials on 25th century H-Dial | Helios | Legionnaires #81, Legion of Super-Heroes [fourth series] #125 |
| The 25th century H-Dial is currently in the 30th century in the possession of Lori Morning. When last seen, the H-Dial was shorted out and is believed to be non-functional. |
| The Wizard creates H-Dial #2 and #3 and hides them in an old chest in the attic of a house in Fairfax. | New Adventures of Superboy #49 | |
| Christopher King moves to Fairfax. He and his new friend Victoria Grant discover H-Dial #2 (a wristwatch) and #3 (a watch pendant) in an old chest in Chris's attic. Thereafter, whenever either dials H-E-R-O, he or she becomes some form of super-hero. The powers last one hour. | Legion of Super-Heroes [second series] #272 | |
| Chris King | the Moth | Legion of Super-Heroes [second series] #272 |
| Chris King | Mega Boy | Legion of Super-Heroes [second series] #272, Adventure Comics #479 |
| Chris King | Color Commando | Adventure Comics #479 |
| Chris King | the Doomster, Master of the Cosmic Lightning | Adventure Comics #479 |
| Chris King | the Composite Man | Adventure Comics #479 |
| Chris King | Captain Electron | Adventure Comics #479 |
| Chris King | Mister Mystical, Master of Magic | Adventure Comics #480 |
| Chris King | Star Flare | Adventure Comics #480 |
| Chris King | Solar Flare | Adventure Comics #480 |
| Chris King | the Wrangler | Adventure Comics #480 |
| Chris King | Goldman | Adventure Comics #481 |
| Chris King | the Sixth Sensor | Adventure Comics #481 |
| Chris King | Volcano | Adventure Comics #481 |
| Chris King | Mister Thin | Adventure Comics #482 |
| Chris King | Anti-Man | Adventure Comics #482 |
| Chris King | Dragonfly | Adventure Comics #482 |
| Chris King | Teleman | Adventure Comics #482 |
| Chris King | Zeep | Adventure Comics #483 |
| Chris King | Lightmaster | Adventure Comics #483 |
| Chris King | Molecule Man | Adventure Comics #483 |
| Chris King | Music Master | Adventure Comics #483 |
| Chris King | Gladiator | Adventure Comics #483 |
| Chris King | White | Adventure Comics #483 |
| Chris King | Waspman | Adventure Comics #484 |
| Chris King | Vibro, the Quake-Master | Adventure Comics #484 |
| Chris King | Steadfast | Adventure Comics #484 |
| Chris King | Gravity Boy | Adventure Comics #485 |
| Chris King | Blast Boy | Adventure Comics #485 |
| Chris King | Electrostatic | Adventure Comics #485 |
| Chris King | Lumino | Adventure Comics #485 |
| Chris King | Enlarger Man | Adventure Comics #486 |
| Chris King | Brimstone | Adventure Comics #486 |
| Chris King | the Avatar (& Sahri) | Adventure Comics #487 |
| Chris King | Wind Rider | Adventure Comics #487 |
| Chris King | Psi-Fire | Adventure Comics #487 |
| Chris King | Oxide | Adventure Comics #488 |
| Chris King | Ragnarok, the Cosmic Viking | Adventure Comics #488 |
| Chris King | Captain Saturn | Adventure Comics #488 |
| Chris King | Moonlight | Adventure Comics #488 |
| Chris King | Mental Man | Adventure Comics #488 |
| Chris King | Neon | Adventure Comics #489 |
| Chris King | Phase Master | Adventure Comics #489 |
| Chris King | Multi-Force | Adventure Comics #489 |
| Chris King | Gemstone | Adventure Comics #489 |
| Chris King | Hasty Pudding | Adventure Comics #489 |
| Chris King | Radarman | Adventure Comics #490 |
| Chris King | Stuntmaster | Adventure Comics #490 |
| Chris King | Shadow Master | Adventure Comics #490 |
| Chris King | Centaurus, the Master of Vibration | Adventure Comics #490 |
| Chris King | Deflecto | Adventure Comics #490 |
| Chris King | Worm Man | Adventure Comics #490 |
| Chris King | Spectro | Adventure Comics #490 |
| Chris King | Air Master | Adventure Comics #490 |
| Chris King | the Sting | Adventure Comics #490 |
| Chris King | the Attacker | Adventure Comics #490 |
| Chris King | Galaxy | Adventure Comics #490 |
| Chris King | Topsy-Turvy | Adventure Comics #490 |
| Chris King jokingly dials
H-O-R-R-O-R | Beast-Maniac (villain) | DC Comics Presents #44 |
| Chris King | Prism | DC Comics Presents #44 |
| Chris King | Essence | DC Comics Presents #44 |
| Chris King | the Red Devil | New Adventures of Superboy #28 |
| Chris King | Tar-Man | New Adventures of Superboy #29 |
| Chris King | Mr. Opposite | New Adventures of Superboy #30 |
| Chris King | Power Punch | New Adventures of Superboy #31-32 |
| Chris King | Cold Wave | New Adventures of Superboy #33 |
| Chris King | Earthman | New Adventures of Superboy #34-35 |
| Chris King | Any-Body | New Adventures of Superboy #35-36 |
| Robby Reed (as the Master) | Great Jupiter | New Adventures of Superboy #36-37 |
| Chris King | Jimmy Gymnastic | New Adventures of Superboy #37 |
| Chris King | the Trail Blazer | New Adventures of Superboy #38 |
| Chris King | Roll | New Adventures of Superboy #39 |
| Chris King | Kinetic Kid | New Adventures of Superboy #40 |
| Chris King | Glassman | New Adventures of Superboy #41 |
| Chris King | X-Rayder | New Adventures of Superboy #42 |
| Chris King | Spheror | New Adventures of Superboy #43 |
| Chris King | Fuzz-Ball | New Adventures of Superboy #43-44 |
| Chris King | Trouble-Clef, Master of Magical Music | New Adventures of Superboy #46-47 |
| Nick Stevens | the Shifter [the Purple Haze, Freeze-Demon, Napalm] | New Adventures of Superboy #48 |
| Chris King | possible unrevealed identities | |
| Chris King | unrevealed identities | Crisis On Infinite Earths #12 |
| Chris King | possible unrevealed identities | |
| Chris King is attacked by a corrupted Vicki Grant. | New Teen Titans [second series] #45 | |
| H-Dial #2 is stolen by Vicki Grant. | New Teen Titans [second series] #45 | |
| Chris King flees Vicki Grant, and locates the New Teen Titans. The Titans battle Vicki Grant. | New Teen Titans [second series] #45-46 | |
| Chris King, power internalized | possible unrevealed identities | |
| Chris King, power internalized | the Serrator | Hawk & Dove [third series] Annual #1 |
| Chris King, power internalized | Synapse, the Energy Man | Hawk & Dove [third series] Annual #1 |
| Chris King, power internalized | the Martian Marshal | Hawk & Dove [third series] Annual #1 |
| Chris King, power internalized | Rubberneck | Hawk & Dove [third series] Annual #1 |
| Chris King | possible unrevealed identities | |
| Chris King | Chris King captured by Wildebeest. | New Titans #75 |
| Chris King | possible unrevealed identities | |
| Chris King | Chris King appears. | JLA/Titans #2 |
| Chris King | Chris King fraternizes with the Titans. | The Titans Secret Files #2 |
| The current whereabouts of H-Dial #2 is unknown. It was last seen in the possession of a corrupted Vicki Grant and the Children of the Sun. |
| The 30th century H-Dial #2 is stolen from the Museum of Heroes and Legends by Nylor Truggs. Retconned out by Crisis. | New Adventures of Superboy #50 | |
| Nylor Truggs of 30th century
dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | the Cyclone (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Nylor Truggs of 30th century
dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | Landslide (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Nylor Truggs of 30th century
dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | the Smasher (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Nylor Truggs of 30th century
dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | High-Roller (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Pete Ross transformed when
Nylor Truggs dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | Megaton (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Lana Lang transformed when
Nylor Truggs dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | Wisp (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Lisa Davis transformed when
Nylor Truggs dials H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | Blizzard (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| Bash Bashford transformed
when Nylor Truggs dials
H-E-R-O on modified 30th century H-Dial (pre-Crisis only) | Man-Mountain (villain). Retconned out by Crisis. | New Adventures of Superboy #50 |
| The 30th century H-Dial #2 is destroyed in battle in the 20th century. It is returned to the 30th century in pieces. Retconned out by Crisis. | New Adventures of Superboy #50 |
| The Wizard creates H-Dial #2 and #3 and hides them in an old chest in the attic of a house in Fairfax. | New Adventures of Superboy #49 | |
| Christopher King moves to Fairfax. He and his new friend Victoria Grant discover H-Dial #2 (a wristwatch) and #3 (a watch pendant) in an old chest in Chris's attic. Thereafter, whenever either dials H-E-R-O, he or she becomes some form of super-hero. The powers last one hour. | Legion of Super-Heroes [second series] #272 | |
| Vicki Grant | Futura | Legion of Super-Heroes [second series] #272 |
| Vicki Grant | Sunspot | Legion of Super-Heroes [second series] #272, Adventure Comics #479 |
| Vicki Grant | Ice | Adventure Comics #479 |
| Vicki Grant | the Grasshopper | Adventure Comics #479 |
| Vicki Grant | Twilight, Mistress of the Dark | Adventure Comics #479 |
| Vicki Grant | Windsong | Adventure Comics #479 |
| Vicki Grant | Molecular Maiden | Adventure Comics #480 |
| Vicki Grant | Hypno Girl | Adventure Comics #480 |
| Vicki Grant | Midnight Wisp | Adventure Comics #480 |
| Vicki Grant | Strato-Girl, Mistress of the Wind | Adventure Comics #480 |
| Vicki Grant | Goldgirl | Adventure Comics #481 |
| Vicki Grant | Alchemiss | Adventure Comics #481 |
| Vicki Grant | Dimension Girl | Adventure Comics #481 |
| Vicki Grant | Stellar | Adventure Comics #481 |
| Vicki Grant | Ultra Girl | Adventure Comics #482 |
| Vicki Grant | Starlet | Adventure Comics #482 |
| Vicki Grant | the Cardinal | Adventure Comics #482 |
| Vicki Grant | Aniwoman | Adventure Comics #482 |
| Vicki Grant | Thumbelina | Adventure Comics #483 |
| Vicki Grant | Tiarra Star | Adventure Comics #483 |
| Vicki Grant | Matter Girl | Adventure Comics #483 |
| Vicki Grant | Echo | Adventure Comics #483 |
| Vicki Grant | Ariel | Adventure Comics #483 |
| Vicki Grant | Black | Adventure Comics #483 |
| Vicki Grant | the Weather Witch | Adventure Comics #484 |
| Vicki Grant | the Emerald Tiger | Adventure Comics #484 |
| Vicki Grant | Rainbeaux, Mistress of Color | Adventure Comics #484 |
| Vicki Grant | the Hummingbird | Adventure Comics #485 |
| Vicki Grant | Hydra, Goddess of the Sea | Adventure Comics #485 |
| Vicki Grant | Hyptella | Adventure Comics #485 |
| Vicki Grant | Sonik | Adventure Comics #485 |
| Vicki Grant | Puma, the She-Cat | Adventure Comics #486 |
| Vicki Grant | Sulphur | Adventure Comics #486 |
| Vicki Grant | Sparrow Hawk | Adventure Comics #486 |
| Vicki Grant | Kismit, Mistress of the Mind Wave | Adventure Comics #487 |
| Vicki Grant | Plant Mistress | Adventure Comics #487 |
| Vicki Grant | Sea Mist | Adventure Comics #487 |
| Vicki Grant | the Harp | Adventure Comics #488 |
| Vicki Grant | the Pixie | Adventure Comics #488 |
| Vicki Grant | Snowfall | Adventure Comics #488 |
| Vicki Grant | Glass Lass | Adventure Comics #488 |
| Vicki Grant | the Unicorn | Adventure Comics #489 |
| Vicki Grant | the Queen of Hearts | Adventure Comics #489 |
| Vicki Grant | Blue Biker | Adventure Comics #489 |
| Vicki Grant | the Weaver | Adventure Comics #489 |
| Vicki Grant | Frosty | Adventure Comics #489 |
| Vicki Grant | Tempest | Adventure Comics #490 |
| Vicki Grant | Starburst | Adventure Comics #490 |
| Vicki Grant | Spinning Jenny | Adventure Comics #490 |
| Vicki Grant | Scylla | Adventure Comics #490 |
| Vicki Grant | Sphera | DC Comics Presents #44 |
| Vicki Grant | Blazerina | DC Comics Presents #44 |
| Vicki Grant | Thundera | DC Comics Presents #44 |
| Vicki Grant | the Monarch | New Adventures of Superboy #28 |
| Vicki Grant | Miss Hourglass | New Adventures of Superboy #29-30 |
| Vicki Grant | Sirocco, the Desert Wind | New Adventures of Superboy #31-32 |
| Vicki Grant | Infra-Violet | New Adventures of Superboy #33 |
| Vicki Grant | Gossamer | New Adventures of Superboy #34-35 |
| Vicki Grant | the Fan | New Adventures of Superboy #35-36 |
| Vicki Grant | the Visionary | New Adventures of Superboy #36-37 |
| Vicki Grant | Spyglass | New Adventures of Superboy #37 |
| Vicki Grant | Psi-Clone | New Adventures of Superboy #38 |
| Vicki Grant | Rock | New Adventures of Superboy #39 |
| Vicki Grant | Genesis | New Adventures of Superboy #40 |
| Vicki Grant | Ms. Muscle | New Adventures of Superboy #41 |
| Vicki Grant | the Lavender Sky-Writer | New Adventures of Superboy #42 |
| Vicki Grant | Turnabout | New Adventures of Superboy #43 |
| Vicki Grant | Raggedy Doll | New Adventures of Superboy #43-44 |
| Vicki Grant | Venus, the Flying Trap | New Adventures of Superboy #46-47 |
| Vicki Grant | possible unrevealed identities | |
| Vicki Grant | unrevealed identities | Crisis On Infinite Earths #12 |
| Vicki Grant | possible unrevealed identities | |
| Vicki Grant is corrupted by the Children of the Sun. | New Teen Titans [second series] #45 | |
| Vicki Grant dials O-R-E-H, power partially internalized | possible unrevealed identities | |
| Vicki Grant dials O-R-E-H, power partially internalized | "Fish Girl" (villainess) | New Teen Titans [second series] #45 |
| Vicki Grant attacks Chris King. | New Teen Titans [second series] #45 | |
| Vicki Grant steals H-Dial #2, it appears that she does not keep it, possibly gives it to the Children of the Sun. | New Teen Titans [second series] #45 | |
| Vicki Grant chases Chris King, and is engaged in battle by the New Teen Titans. | New Teen Titans [second series] #45-46 | |
| Vicki Grant dials O-R-E-H, power partially internalized | possible unrevealed identities | |
| Vicki Grant dials O-R-E-H, power partially internalized | "Fire Girl" (villainess) | New Teen Titans [second series] #45 |
| Vicki Grant transforms using residual energy, power partially internalized | "Water Girl" (villainess) | New Teen Titans [second series] #45 |
| Vicki Grant dials O-R-E-H, power partially internalized | "Diamond Girl" (villainess) | New Teen Titans [second series] #45 |
| Vicki Grant transforms using residual energy, power partially internalized | "Electrical Girl" (villainess) | New Teen Titans [second series] #46 |
| Vicki Grant transforms using residual energy, power partially internalized | "Machinery Girl" (villainess) | New Teen Titans [second series] #46 |
| Vicki Grant escapes the New Teen Titans and disappears. | New Teen Titans [second series] #46 | |
| Vicki Grant dials O-R-E-H, power partially internalized | possible unrevealed identities | |
| The Scavenger steals H-Dial #3 from Vicki Grant. | ||
| Hero Cruz steals H-Dial #3 from the Scavenger. | Superboy & the Ravers #5 | |
| Hero Cruz | Badaxe | Superboy & the Ravers #5 |
| Hero Cruz | Human Justice | Superboy & the Ravers #5 |
| Hero Cruz | Stormfront | Superboy & the Ravers #6 |
| Hero Cruz | Titanic | Superboy & the Ravers #8 |
| Hero Cruz | the Feathered Serpent | Superboy & the Ravers #9 |
| Hero Cruz | Hot Head | Superboy & the Ravers #10 |
| Hero Cruz | the Death's Head Moth | Superboy & the Ravers #12 |
| Hero Cruz | the Ferronaut | Superboy & the Ravers #12-13 |
| Vicki Grant attacks Hero Cruz searching for H-Dial #3. | Superboy & the Ravers #13 | |
| Vicki Grant, power internalized | the Harpy (villainess) | Superboy & the Ravers #13 |
| Hero Cruz | Captain Elastic | Superboy & the Ravers #13 |
| Vicki Grant, power internalized | Volcano Girl (villainess) | Superboy & the Ravers #13 |
| Vicki Grant, power internalized | Sister Scissor-Limbs (villainess) | Superboy & the Ravers #13 |
| Hero Cruz | Diamond Lord | Superboy & the Ravers #13 |
| Vicki Grant, power internalized | Cobress (villainess) | Superboy & the Ravers #13 |
| Vicki Grant loses her powers when she touches H-Dial #3. She remains in a disoriented state. | Superboy & the Ravers #13 | |
| Hero Cruz | Isis | Superboy & the Ravers #14 |
| Hero Cruz | the Radio Ranger | Superboy & the Ravers #15 |
| Hero Cruz | Faust | Superboy & the Ravers #16 |
| Hero Cruz | Caduceus the Healer | Superboy & the Ravers #18 |
| Hero Cruz | the Viridian Paladin | Superboy & the Ravers #19 |
| Hero Cruz | possible unrevealed identities | |
| Hero Cruz | Port | The Titans Secret Files #2 |
| Vicki Grant, power internalized | (unnamed villainess) | Wonder Woman [second series] #175 |
| H-Dial #3 is currently in the possession of Hero Cruz. |
| H-Dial #3 could be found in the Museum of Heroes and Legends in the 30th century. Retconned out by Crisis. | New Adventures of Superboy #50 |
| Robby Reed | Future Boy | H-E-R-O #15, 17-18 |
| The H-Dial is lost in Scooper's ice cream shop by a female customer. It is discovered by an employee, Jerry Feldon, amidst the dirty dishes. | H-E-R-O #1 | |
| unnamed female | unrevealed identities | H-E-R-O #1 |
| Jerry Feldon | Afterburner | H-E-R-O #1-2 |
| Jerry Feldon | The Bouncer | H-E-R-O #2 |
| Jerry Feldon | The Blur | H-E-R-O #2 |
| Jerry Feldon | The Wake | H-E-R-O #2 |
| Jerry Feldon | Winged Victory | H-E-R-O #2 |
| Jerry Feldon | The Wrecker | H-E-R-O #2 |
| Jerry Feldon | three unrevealed identities | H-E-R-O #2 |
| Jerry Feldon | Powerhouse | H-E-R-O #2-3 |
| Jerry Feldon | one unrevealed identity | H-E-R-O #3 |
| Jerry Feldon | Napalm | H-E-R-O #3 |
| Jerry Feldon | unrevealed identities | H-E-R-O #4 |
| Matt Allen | unrevealed identities | H-E-R-O #5 |
| Matt Allen | The Protector | H-E-R-O #5 |
| Andrea Allen | unrevealed identities | H-E-R-O #6 |
| Andrea Allen | Nocturna | H-E-R-O #6 |
| Andrea Allen | Illusia | H-E-R-O #6 |
| Julie (last name unrevealed) | unrevealed identities | H-E-R-O #6 |
| Denise (last name unrevealed) | unrevealed identities | H-E-R-O #6 |
| Mark (last name unrevealed) a.k.a. Captain Chaos | unrevealed identities | H-E-R-O #7-8 |
| Mark (last name unrevealed) | The Cloud | H-E-R-O #7 |
| Mark (last name unrevealed) | The Howitzer | H-E-R-O #8 |
| Jay (last name unrevealed) a.k.a. Captain Chaos | unrevealed identities | H-E-R-O #7-8 |
| Jay (last name unrevealed) | Fusion | H-E-R-O #7 |
| Galen (last name unrevealed) a.k.a. Captain Chaos | unrevealed identities | H-E-R-O #7-8 |
| Galen (last name unrevealed) | Photon | H-E-R-O #7 |
| Galen (last name unrevealed) | Ingot | H-E-R-O #7 |
| Galen (last name unrevealed) | Tidal Wave | H-E-R-O #8 |
| Craig (last name unrevealed) a.k.a. Captain Chaos | unrevealed identities | H-E-R-O #7-8 |
| Craig (last name unrevealed) | Captain Noir | H-E-R-O #7 |
| Craig (last name unrevealed) | Blink | H-E-R-O #8 |
| Wayne (last name unrevealed) a.k.a. Captain Chaos | unrevealed identities | H-E-R-O #7-8 |
| unnamed male | unrevealed identities (villain) | H-E-R-O #8 |
| Tony Finch a.k.a. The Shifter | unrevealed identities (villain) | H-E-R-O #9-10 |
| Tony Finch | The Slider (villain) | H-E-R-O #9 |
| Tony Finch | The Stretcher (villain) | H-E-R-O #9 |
| Joe Walker | Shocking Suzi | H-E-R-O #12-14 |
| Robby Reed, power internalized | unnamed identities | H-E-R-O #7-10,12-22 |
| Jerry Feldon, power internalized | unnamed identities | H-E-R-O #15-19 |
| Brown (first name unrevealed) | unnamed identities (villain) | H-E-R-O #15-22 |
| Tony Finch | unnamed identities (villain) | H-E-R-O #19-22 |
| Andrea Allen, power internalized | unnamed identities | H-E-R-O #20-22 |
| Matt Allen, power internalized | unnamed identities | H-E-R-O #20-22 |
| Wayne (last name unrevealed), power internalized | unnamed identities | H-E-R-O #20-21 |
| unnamed man circa 50,000 BC | unrevealed identity | H-E-R-O #11, 22 |
| H-Dial #4 was last shown on the surface of the Moon. |