The original drummer for Pearl Jam whose nickname is Karl 3-30 and who has been in the groups Candlebox and Hovercraft.
He played around Seattle with a variety of musical acts, including Liar's Club.
He was in the band Unified Theory.
He had two children with his wife.
He was called "a real hero" by Pearl Jam vocalist Eddie Vedder for confronting his alcoholism head-on.