[Dopefish7590]

and another

http://www.youtube.com/watch?v=4MeglxGv7Hg

and ALOT more

http://video.google.ca/videosearch?q=mugen+dopefish





edit:

Originally Posted by Retodon8

M.U.G.E.N isn't freeware according to this Wikipedia article.

right

Originally Posted by Wikipedia

M.U.G.E.N is a free 2D fighting game engine designed by Elecbyte that is written in C with the Allegro library and originally released in July 17, 1999. Elecbyte distributed beta versions that ran under DOS, Linux, and Windows.