No More Heroes, in the form of a seeming underworld connection to get Travis Touchdown some special moves. Apparently he can collect "Lovikov Balls" around Santa Destroy. Returning these items to the man for whom the balls are named, some drunk dude called Lovikov, nets you special moves.
Two of the seven moves are shown off in screenshots at the No More Heroes site, and in larger screenshots at Famitsu. "Memory of Demon" is a super-powerful sword move that can pull off one-hit kills. "Memory of Child" enables you to run at super-speed.