Select an "empty" racer name slot. To erase an existing racer, press the C-Up button.
Step3
Hold the Z button (trigger) and scroll through the keyboard on the name entry screen.
Step4
Enter a letter by pressing the L button.
Step5
Enter the word RRJABBA. Remember to keep holding down the Z button.
Step6
Select "End" on the name entry screen by pressing L once again.
Step7
Enter your name normally on the name entry screen.
Step8
Begin any tournament race and press START to pause the game.
Step9
Press D-Pad (the directional pad on the left side of the controller) Left, then Down, then Right, and finally Up. Your pod should be invincible, but you still will be able to fly off cliffs if you're not careful.