wow cant believe i missed this
http://marvel.wikia.com/wiki/Selene_Gallio_(Earth-616)
Selene is the first mutant in the marvel universe, she drains souls/lifeforce to maintain her youth, sometimes through kissing
There are more i believe, please post all findings here
OH and dont bother with her latest "Xmen :Necrosha" series, ive read it all it has no kisses whatsoever in it