Manic bass player and cornerstone of oddball rock group Primus.
Once (with Primus on hiatus) formed a supergroup with Stewart Copeland (Police) and Trey Anastasio (Phish). They called themselves Oysterhead.
If perchance you’ve heard of Primus, it’s mostly likely because of their most widely known number, Wynona’s Big Brown Beaver. Sophomoric double entendre aside, the official video is worth a watch.
But this gives you an even better sense of Claypool’s curious talents and aesthetic:
Personally I also put him in the Ween Dancing Hall of Fame.