Do you want to compare Colossal Boy with Gentle? Discover the powers, weakness & weapons of Colossal Boy and Gentle from Colossal Boy Biography and Gentle Biography. Find out all about Colossal Boy and Gentle.# Check out how is Colossal Boy unique and distinct from Gentle. Discover their love interest, sidekicks, family tree and the movies and games list in which Colossal Boy and Gentle have appeared. Find out everything about them here!