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