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