Michael Peter Balzary, known professionally as Flea, is an Australian-American musician and actor. He is a founding member and the bassist of the rock band Red Hot Chili Peppers. Flea briefly appeared as the bassist for such bands as What Is This?, Fear, and Jane's Addiction. He has performed with rock supergroups Atoms for Peace, Antemasque, Pigface, and Rocket Juice & the Moon, and collaborated with the Mars Volta, Johnny Cash, Tom Waits, Alanis Morissette, and Young MC. Flea also performed live with Nirvana in 1993, playing the trumpet.