Since Soild snake won't return for smash how about another Konami character who also had a history on Nintendo consoles, that there is Simon Belmont! First appeared in a game called vampire killer but later was brought most will know him in Catlevania for the NES in 1986-87 and a squeal Castlevania 2 and several other games on Nintendo systems. I think he'd be a good choice because he's being in his share far of fighting games like DreamMix TV World Fighters Which is a smash bros like style fighting game except you have to get enough coins to beat your opponents and castlevania judgment on wii which he appears as a playable character. He'd would really fit with the retro cast of videogame icons. Vote for Simon!