Gim Allon, also known as Colossal Boy, Leviathan, and Micro Lad, is a

fictional Fiction is any creative work, chiefly any narrative work, portraying individuals, events, or places Place may refer to: Geography * Place (United States Census Bureau), defined as any concentration of population ** Census-designated place, ...

comic book superhero appearing in books published by

DC Comics DC Comics, Inc. (doing business as DC) is an American comic book publisher and the flagship unit of DC Entertainment, a subsidiary of Warner Bros. Discovery. DC Comics is one of the largest and oldest American comic book companies, with thei ...

. Created by writer Jerry Siegel and artist

Jim Mooney James Noel Mooney (August 13, 1919 – March 30, 2008) was an American comics artist best known for his long tenure at DC Comics and as the signature artist of Supergirl, as well as a Marvel Comics inker and Spider-Man artist, both during wh ...

, the character first appeared in '' Action Comics'' #267 (August 1960), and is a member of the 30th and 31st century superhero team, the

Legion of Super-Heroes The Legion of Super-Heroes is a fictional superhero team appearing in American comic books published by DC Comics. Created by writer Otto Binder and artist Al Plastino, the Legion is a group of superpowered beings living in the 30th and 31st c ...

. He has gone by a variety of

superhero A superhero or superheroine is a stock character that typically possesses ''superpowers'', abilities beyond those of ordinary people, and fits the role of the hero, typically using his or her powers to help the world become a better place, ...

names over the past several decades, although originally (and most commonly) Colossal Boy. The character's name's similarity to the standard Israeli surname Allon led writer Paul Levitz in 1980 to identify the character as Jewish. In the 1990s, the entirety of the Legion of Super-Heroes were changed in what was referred to as a "reboot" of those characters' continuity, including Allon. Later on, these superheroes were again rebooted in what has been referred to as the "threeboot" of the Legion of Super-Heroes.

Fictional character biography

Original continuity

Gim Allon was mutated by a radioactive

meteorite A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or Natural satellite, moon. When the ...

, gaining the