Compare Mister Sinister vs Valentina de Fontaine real name and family and other exciting information. We are also providing you with the comparison of alias, alter ego, family tree and love Interest of both the characters along with Mister Sinister Real Name vs Valentina de Fontaine Real Name. You can also check out the comparison list of artists who played Mister Sinister and Valentina de Fontaine in movies, animated films and TV series. Also compare the identity of these popular fictional characters in Mister Sinister vs Valentina de Fontaine real name.