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