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