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