Wierd Background
This easy trick enables you to slow down or speed up the background
on the Wrestler Select screen. When the Wrestler Select screen
appears, press L once. To stop the screen altogether, press L
twice. To speed the background up, press R once. To make it go
super-fast, press R twice.
Super Punch
Here's an easy trick that gives your wrestler's a secret Super Punch move. Wait until the legal screen begins to fade, then press B + Y. If you hear the word "Ugh," the trick worked and your wrestlers are in business.
Twin Wrestlers
Choose the wrestler you want to clone. At his screen, stop the
background (see Sleight of Hand). Now press and hold R then press
and hold L, then press Select. Another copy of the wrestler will
appear next in the list.