Who the Clix? Colossal Boy
Who the Clix? is a series of articles featuring information on comic book characters that have been made into figures for the popular tabletop game Heroclix. These articles are meant to help Heroclix players learn more about the characters behind their favorite pieces.
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Appearances in Heroclix: Superman and the Legion of Super-Heroes, Giants
First Appearance: Action Comics #267
Team Affiliations: Legion of Super-Heroes, Science Police
Powers/Abilities: Expand his body to giant size; Superhuman strength and mass; Shrink size of his body
Created By: Jerry Siegel and Jim Mooney
Artwork and character is copyright/trademark DC; used under Fair Use
Gim Allon is mutated after contact with a radioactive meteorite and gains the ability to increase his size. Adopting the codename Colossal Boy, he joins the Legion of Super-Heroes with his parents' blessing. He has a long standing crush on fellow Legionnaire Shrinking Violet. Eventually Violet returns his love and the two are married. However, this Violet is eventually revealed to a shapeshifting impostor Durlan named Yera. Even when Yera is revealed, Gim discovers he is still in love with Yera and so the pair remained married.
Following the Magic Wars, Gim joins the Science Police and never returns to the Legion.
After the events of Zero Hour changed time, Gim Allon was never Colossal Boy. Though he still gains his powers from a meteorite, he is from Mars and uses the code-name Leviathan. Leviathan acts as the Legion's first official leader but quickly resigns the role because he believes Cosmic Boy is better suited. Cosmic Boy still requests that Leviathan remains as deputy leader.
This version of Allon is in love with Kinetix while this timeline's Shrinking Violet is in love with him. This ends in tragedy when Violet wishes for the Emerald Eye to give every team member their heart's desire. Leviathan than dies in battle with Dr. Regulus because he always wanted a heroic death.
After the Infinite Crisis, the future seems to be set more in line with Gim's original timeline. His wife Yera has joined the Legion using the code-name Chameleon Girl.
Recommended Reading:
Legion of Superheroes - Archives, Vol. 2