Quote Originally Posted by Kentarou
I doubt Sonic and Tails would appear, and I say this because Snake first appeared on the NES, and later appeared on the Gameboy. There was also a remake of Metal Gear Solid on the GameCube. Snake is almost a Nintendo Character, but alas, he's not.
I don't know, if it is possible to download Sega Genesis games, then there's a very good chance that Sonic and Tails may show up on Super Smash Bros. Brawl.