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