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