WWF Wrestlemania: The Arcade Game Cheats

Play as Yokozona and Bam Bam Bigelow - European Version
At the copyright screen press Up, X, Down, B, Y, R, L, A, A, X, Y.

Note:
This code appears to be for the European version of this game.

How to select different characters
Beat the whole game on very easy level with Bret Hart. When the game says you are the WWF champion hold the down button and press a,b,y,x. Then the next time you play there will be new characters