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