Spongebob's Roundpants
From UnAnything Wiki
Spongebob's Roundpants is a round version of Spongebob's square pants. However, it's created by some evil scientist. If Spongebob wears it, the roundpants brainwashes his friends with special Idiot Manipulation by giving them amnesia and made them dumb and to mistaken Spongebob as a stranger