i am guessing that it is just a sprite movie to entertain some people because amv is technically a comedian group that do comedy voice overs over anime and stuff. the only game that comes to mind is super smash bros because this is the only game that combines anime characters from most sagas.
Instantly figured out what game it was within 3 seconds of the first video. It's M.U.G.E.N.
M.U.G.E.N - Wikipedia, the free encyclopedia
Street Mugen - Make your own 2D fighter with M.U.G.E.N !
Mugen does not originate from Japan. And it comes with language installers of all kinds.
Edit: Oh and one more thing. Mugen doesn't come pre installed with any characters, stages, or anything, at all. You have to go find it around the internet and build the fighting game yourself. Plus, if you're a serious fighting fan, there's still the matter of balancing the characters, so they don't become overpowered like Brolly was in that video. Characters and stages can be pretty much anything you can think of(anime, comic books, games, etc), and someone has probably made a M.U.G.E.N. version of it, and has released it on the net.
There is a game that's import only right now, D O N, which contains Dragonball, One piece and Naruto characters in it, but that is about it. It is not an "Official" game, however.
really its a real game wow that intrusting i thought it was just amv that some one made to look like a game.
cool i like that i might try to get that if i can find where to buy it
i would love to make a game or something close to that ,it looks intresting