Met his future Red Hot Chili Peppers band mates Flea and Hillel Slovak while attending high school in Los Angeles.
Detailed his struggles with drug abuse in his 2004 autobiography Scar Tissue.
Named son Everly Bear after the Everly Brothers, a '50s and '60s music duo he considers to be among his favorite artists.
Filed a lawsuit with the Red Hot Chili Peppers against Showtime in 2007 over its use of the title Californication for its comedy-drama series. (The band had released an album of the same name in 1999.)
Is a longtime vegetarian and was voted one of the Sexiest Vegetarian Celebrities of 2008 in a poll sponsored by PETA.
Inducted into the Rock and Roll Hall of Fame (as a member of the Red Hot Chili Peppers) in 2012.