Street Fighter is a fighting game series created by Capcom. It's known to be one of the first and most popular fighting game franchises, and is a large inspiration for the M.U.G.E.N game engine. Street Fighter characters are some of the most common M.U.G.E.N characters, and almost every character from it has been made for M.U.G.E.N. The series itself has spawned over 5 main titles along with several remakes and updates. The series has also crossed over with other Capcom series as well as SNK, Marvel, Namco, and Tatsunoko characters.