Im guessing this is fake but man its funny as hell http://www.youtube.com/watch?v=UCXM6DUYAj4 Oh and galtan makes an appearance at the 5:00 mark If youre comfortable dloading stuff off random japanese websites this may be the actual game! http://page.freett.com/kozenikan/PatchMon.html
Not fake at all, Mugen is a DIY totally customizable fighting game engine. Everything from characters, backgrounds, music, hit sparks, select screens, life and power gauges, etc. can be downloaded and altered at the player's discretion. I totally used to play the hell out of it over ten years ago when I was a huge fighting game nerd. Pretty cool to see Galtan and others in there!
It's its own stand-alone program with a huge international community. There are tons of forums out there, but here is a good starting point -- <a class=\"postlink\" href=\"http://mugenguild.com/forumx/\" onclick=\"window.open(this.href);return false;\">http://mugenguild.com/forumx/</a>
Yeah I have a close friend who is a HUGE mugen player. I never even Thought to ask him to make something like this.