I.Q.

I.Q. (Ira Quimby) is a fictional character appearing in

American comic book An American comic book is a thin periodical literature originating in the United States, commonly between 24 and 64 pages, containing comics. While the form originated in 1933, American comic books first gained popularity after the 1938 publ ...

s published by

DC Comics DC Comics (originally DC Comics, Inc., and also known simply as DC) is an American comic book publisher owned by DC Entertainment, a subsidiary of Warner Bros. Discovery. DC is an initialism for "Detective Comics", an American comic book seri ...

. Ira Quimby is a small-time crook who is accidentally exposed to the radiation from a rock that had been irradiated by a Zeta Beam, transforming him into a

metahuman In the DC Universe, a metahuman is a human with superpowers. The term is roughly synonymous with the terms '' mutant'', '' inhuman'' and '' mutate'' in the Marvel Universe and '' posthuman'' in the Wildstorm and Ultimate Marvel Universes. In ...

with superhuman intelligence. Dubbing himself I.Q., he uses his new intellect to plan a series of jewelry heists. I.Q.'s heightened intelligence turns out to short-lived, but re-exposure to the rock restores it. Hawkman tracks down I.Q. by analyzing traces of the rock, and arrests I.Q. and his gang. In ''

Hawkman Hawkman is the name of several superheroes appearing in American comic books published by DC Comics. Created by writer Gardner Fox and artist Dennis Neville, the original Hawkman first appeared in ''Flash Comics'' #1, published by All-American ...

'' #7 (April 1965), the imprisoned I.Q. discovers that his heightened intelligence returns whenever he is exposed to sunlight. He is able to create an invisibility device out of common items and escape from jail, and resume his life of crime. In subsequent stories I.Q. faces the

Justice League of America The Justice League, or Justice League of America (JLA), is a group of superheroes appearing in American comic books published by DC Comics. The team first appeared in '' The Brave and the Bold'' #28 (March 1960). Writer Gardner Fox conceived t ...

Superman Superman is a superhero created by writer Jerry Siegel and artist Joe Shuster, which first appeared in the comic book ''Action Comics'' Action Comics 1, #1, published in the United States on April 18, 1938.The copyright date of ''Action Comics ...

and the

Metal Men The Metal Men are a group of robot superheroes that appear in DC Comics. The characters first appeared in '' Showcase'' #37 (March–April 1962) and were created by writer Robert Kanigher and artist Ross Andru. Debuting in the Silver Age of C ...

Batman Batman is a superhero who appears in American comic books published by DC Comics. Batman was created by the artist Bob Kane and writer Bill Finger, and debuted in Detective Comics 27, the 27th issue of the comic book ''Detective Comics'' on M ...

, the

Teen Titans The Teen Titans are a superhero team appearing in American comic books published by DC Comics, frequently in eponymous monthly series. As the group's name indicates, the members are teenage superheroes, many of whom have acted as sidekicks to DC ...

the Atom The Atom is a name shared by five superheroes appearing in American comic books published by DC Comics. The original Golden Age Atom, Al Pratt, was created by writer Bill O'Connor and artist Ben Flinton and first appeared in All-American Publ ...

(Ray Palmer), and the

Elongated Man Elongated Man (Randolph William "Ralph" Dibny) is a superhero appearing in American comic books published by DC Comics. He first appeared in ''The Flash'' #112 (February 25, 1960). The character made his live-action debut on The CW's live-actio ...

. In ''

Infinite Crisis "Infinite Crisis" is a 2005–2006 comic book storyline published by DC Comics, consisting of an eponymous, seven-issue comic book limited series written by Geoff Johns and illustrated by Phil Jimenez, George Pérez, Ivan Reis, and Jerry Ordway, ...

'', I.Q. joins

Alexander Luthor Jr. Alexander Luthor Jr. is a fictional character appearing in comic books published by DC Comics. The son of Earth-Three's Lex Luthor, he played a large role in the ''Crisis on Infinite Earths'' and ''Infinite Crisis'' events. Publication history ...

Secret Society of Super Villains Secret Society of Super Villains (SSoSV) is a DC Comics title that debuted in May–June 1976. The series presented a group of DC's supervillains, mostly foes of the Justice League, Justice League of America. The series was cancelled with issue #1 ...

. In '' 52'' Week 23, I.Q. is revealed as one of the "mad scientists" kidnapped by

Chang Tzu Egg Fu is a fictional character appearing in DC Comics publications and related media, commonly as an adversary of the superhero Wonder Woman. Most frequently represented as an enormous sentient egg (and often of Chinese descent), he was created b ...

and

Intergang Intergang is a fictional organized crime syndicate appearing in American comic books published by DC Comics. Armed with technology supplied by the villainous New Gods of the planet Apokolips, they consistently appear as enemies of Superman. Inter ...

, and taken to Oolong Island to become a member of the Science Squad. When

Black Adam Black Adam (Teth-Adam) is a fictional character appearing in American comic books published by DC Comics. He was created by Otto Binder and C. C. Beck, and first appeared in the debut issue of Fawcett Comics' '' The Marvel Family'' comic book ...

attacks Oolong Island, he remained collected and rallies his fellow mad scientists to successfully defeat Adam. He subsequently becomes the head of projects on the island. In '' Justice League: Cry for Justice'', it was revealed that Quimby was working with the supervillain

Prometheus In Greek mythology, Prometheus (; , , possibly meaning "forethought")Smith"Prometheus". is a Titans, Titan. He is best known for defying the Olympian gods by taking theft of fire, fire from them and giving it to humanity in the form of technol ...

, who repaid him by causing his brain to revert to an infantile state. He has since been seen in ''

Doom Patrol Doom Patrol is a superhero team from DC Comics. The original Doom Patrol first appeared in ''My Greatest Adventure'' #80 (June 1963), and was created by writers Arnold Drake and Bob Haney, along with artist Bruno Premiani. Doom Patrol has appear ...

'', working for

Veronica Cale Veronica Cale is a fictional character appearing in DC Comics publications and related media, commonly as a recurring adversary of the superhero Wonder Woman. A genius pharmaceutical tycoon and ruthless criminal mastermind, she was created by comic ...

on Oolong Island. Quimby's appearances do not explain the recovery of his faculties, but chronologically follow ''Cry for Justice''.

Ibis the Invincible

Ice

Ice Man

Ice Man is the name of two fictional characters appearing in American comic books published by DC Comics.

Plastic Man villain

The Ice Man was an unnamed ice delivery man who went rogue when refrigerators were invented and fought

Plastic Man Plastic Man (Patrick "Eel" O'Brian) is a superhero featured in American comic books first appearing in ''Police Comics'' #1, originally published by Quality Comics and later acquired by DC Comics. Created by cartoonist Jack Cole (artist), Jack Co ...

L.E.G.I.O.N. villain

The second Ice Man is an alien mercenary who can manipulate energy and heat. In ''

Underworld Unleashed ''Underworld Unleashed'' was a multi-title American comic book crossover event released by DC Comics in 1995. The main theme of ''Underworld Unleashed'' involved the new ruler of Hell, a demon-lord named Neron, offering first many of the DC Un ...

'', he sells his soul to Neron in exchange for increased powers before being killed by him.

Icemaiden

Icicle

Icon

Armen Ikarus

Immortal Man

Imperiex

Impulse

Incubus

Incubus is a demonic entity, the son of Azhmodeus and brother to the

Succubus A succubus () is a female demon who is described in various folklore as appearing in the dreams of male humans in order to seduce them. Repeated interactions between a succubus and a man will lead to sexual activity, a bond forming between them, ...

, that managed to conquer the Nightshade Dimension. However, he was killed due to the death his host by the

Suicide Squad The Suicide Squad is an antihero/supervillain team appearing in American comic books published by DC Comics. The first version of the Suicide Squad debuted in ''The Brave and the Bold'' #25 (September 1959) and the second and modern version, cre ...

during a plot to place the Succubus possessing the Enchantress into another body to mate with his own sibling.

Incubus in other media

Incubus appears in ''

'', portrayed by Alain Chanoine

Indigo

Inertia

Insomnia

Insomnia, also known as Christopher Lukas, is a fictional character appearing in comic books published by

. Insomnia first appeared in an unnamed cameo appearance in ''

Lazarus Planet "Lazarus Planet" is a 2023 American comic book crossover storyline written by Mark Waid and Gene Luen Yang, with art by Ricardo Federici and Billy Tan published by DC Comics. The event involves Chinese deities-turned demons Nezha and King Fire B ...

: Dark Fate'' #1 (February 2023), before being fully revealed in ''

Knight Terrors "Knight Terrors" is an American comic book line-wide crossover event published by DC Comics from July to August 2023. The event is headlined by Joshua Williamson writing the opening and ending one-shots along with the core 4-issue miniseries. Th ...

'' ''Special Edition'' #1 (May 2023). Insomnia is the main antagonist of ''Knight Terrors'', in which he traps many heroes and villains in nightmares while searching for

Doctor Destiny Doctor Destiny (John Dee) is a supervillain appearing in American comic books published by DC Comics. Created by Gardener Fox and Mike Sekowsky, the character first appeared in ''Justice League of America'' #5 (June 1961) Jeremy Davies played ...

's Dreamstone.

Invisible Destroyer

Invisible Destroyer is a fictional character appearing in American comic books published by DC Comics. When Martin Phillips was unconscious, a being called the Invisible Destroyer manifested into reality. He fought

Green Lantern Green Lantern is the name of several superheroes appearing in American comic books published by DC Comics. They fight evil with the aid of rings that grant them a variety of extraordinary powers, all of which come from imagination, fearlessness, ...

who managed to apparently vanquish Invisible Destroyer. The Invisible Destroyer later appears alive and joins

Invisible Kid

Ion

Iris West

Isamot Kol

Ishmael

Ishmael is the name of several characters appearing in American comic books published by DC Comics.

Ishmael I

The first Ishmael is a criminal who, alongside his brother Queequeg, is a shapeshifter. Both of them work for Tobias Whale. Ishmael is instructed to pose as the Gangbuster and assassinate the organizer of the gang piece summit.

Black Lightning Black Lightning (Jefferson Michael "Jeff" Pierce) is a superhero who appears in American comic book published by DC Comics. The character, created by writer Jenny Blake Isabella with artist Trevor Von Eeden, first appeared in ''Black Lightning'' ...

figured out who the impostor Gangbuster was. Ishmael and Queequeg were defeated by Black Lightning and the Gangbuster.

Ishmael II

The second Ishmael is a destitute man who was abducted and used for the experiments of the Ark Project. He joined the

League of Assassins The League of Assassins (sometimes known as the League of Shadows or Society of Shadows in adapted works) is a group of supervillains appearing in American comic books published by DC Comics. The group is depicted as a collective of assassins who ...

after

Ra's al Ghul Ra's al Ghul is a supervillain appearing in American comic books published by DC Comics, commonly as an adversary of the superhero Batman. Created by editor Julius Schwartz, writer Dennis O'Neil, and artist Neal Adams, the character first appeared ...

used a Lazarus Pit to save him from the lethal side effects of the experimentation.''Batman and the Outsiders'' (vol. 3) #1 (July 2019)

Ishmael in other media

The second incarnation of Ishmael appears in ''

'', portrayed by Rico Ball.

Isis

Isis (Selina Kyle's cat)

Isis is

Selina Kyle Catwoman is a character appearing in American comic books published by DC Comics. Created by Bill Finger and Bob Kane, she debuted as "the Cat" in ''Batman (comic book), Batman'' #1 (spring 1940). She has become one of the superhero Batman' ...

's pet cat, who often assists in her heists. Created for '' Batman: The Animated Series'', Isis debuted in the first aired episode of the series, " The Cat and the Claw" (September 1992). She is primarily voiced by

Frank Welker Franklin Wendell Welker (born March 12, 1946) is an American actor who specializes in voice acting. He began his career in the 1960s, and held around 850 film, television, and video game credits as of 2020, making him one of the most prolific v ...

and by

Dee Bradley Baker Dee Bradley Baker (born August 31, 1962) is an American voice actor. Much of his work has consisted of vocalizations of animals and monsters. Baker's roles include animated series such as '' Adventure Time'', ''American Dad!'', '' Avatar: The Las ...

in '' Gotham Girls''.

Isis in other media

* Isis appears in ''

Krypto the Superdog ''Krypto the Superdog'' is an American animated television series produced by Warner Bros. Animation, based on Superman's canine companion Krypto, which premiered on Cartoon Network on March 25, 2005 (exactly 50 years after his comic debut), a ...

'', voiced by

Kathleen Barr Kathleen Barr is a Canadian voice actress. She is best known for voicing Marie Kanker and Kevin in ''Ed, Edd n Eddy'' and Trixie Lulamoon and Queen Chrysalis in '' My Little Pony: Friendship is Magic''. She also voiced Henri Richard Maurice ...