Japanese
American
There are 4 unplayable boss characters in Street Fighter II, and 3 of them had their names switched around for the American release. M.Bison in Japan is Balrog in America. This was done to prevent Mike Tyson from starting a lawsuit against Capcom.


Japanese
American
Balrog became Vega.


Japanese
American
And Vega became M. Bison.


NOTES

-In the Japanese version, each character has several different win quotes. The American version gave each character just one win quote.