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