Yep, kissing Chump was a mistake as Undead Tits is already starting to exhibit bisexual tendencies.
Guess I should start ranking them based on how much I like them:
Murder-chan (hilarious)
Megane-chan
Hacker Tits
Undead Tits
Cow Tits
Pimp-kun
Crippled Tits
Kitty Titties
Chump (unrealistically overpowered)
Twit
Glasses-kun (this guy is just an asshole)