Nanner Split said:

Gentlemen, I present to you Super Mario Crossover:

http://www.newgrounds.com/portal/view/534416

Play the original Super Mario Bros. in its entirety as Mario, Link, Mega Man, Simon Belmont, Samus, and Bill from Contra. And prepare for nerdgasm.

Playing as Bill feels like unleashing a Terminator onto the Smurf village. :P

Wow! It is a like a dream that is so good to be true you'd never even think about dreaming it in the first place for fear of seeming too greedy. Only, here it is... ah, dammit! Hold on... got to go change my underware...