Colossal Boy
Gim Allon257 series701 issues
Gim Allon is Colossal Boy, a Legionnaire from Mars who can grow to enormous size. Created by Jerry Siegel and Jim Mooney, he first appeared in Action Comics #267 in 1960 and is among the longest-serving members of the Legion of Super-Heroes.
Real Name
Gim Allon
Hero Name
Colossal Boy
Publisher
First Appearance
Powers
Super Strength, Flight, Gadgets, Size Manipulation
Gender
Male
Teams
Teammates
Appears alongside
Story Arcs
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