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