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