SD64CT II: 1st round (lost to Knuckles)
Boos are those ghosts in the Mario games. They're an annoyance, and that may hinder him in this tournament. Actually, tons of things hinder him against the echidna...
Comments
"He may be co-UTT champ, but we know it was Mewtwo who led Boo. Now that he's alone, he's toast."
~Super Smash Fan
"Knock Knock! Who's there? Boo! Boo who? Don't cry, because Boo's going down!"
~ajc_11us