First off, your Batman/Mario is hilarious and nicely done. Very creative and a breath of fresh air.
The Mario/Deadpool sounds promising, since anything with Deadpool always has me giggling like a schoolgirl. However, the pic doesn't work for me, so I can't really judge anything, but like I said, that's an ace idea.
Red Sniper (TF2)
Wolverine (Marvel Comics)
Ellis (Left 4 Dead 2)
Mr. Van Driessen (Beavis and Butthead)
The Undertaker (WWE)
Mike Schmidt (Five Nights at Freddy's)
Steampunk Foxy (FNAF)
Macho Man Randy Savage