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