The Idiot

Sounds like Millenial Fair 2001, by Zeratul.

When facing right, Pichu's taunt makes him lie down and have some kind of spasm. When facing right, he'll jump instead. Captain Falcon's taunts are also different depending on which way he's facing, though the difference is harder to notice. For non-Pichu players, winning a competitive match using Pichu is an innate third taunt.