Michael Peter Balzary (born 16 October 1962), better known by his stage name Flea, is an Australian-American musician and actor best known as bassist and founding member 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 also performed with rock supergroups Atoms for Peace, Antemasque, Pigface, and Rocket Juice & the Moon. Flea has also collaborated with artists including The Mars Volta, Johnny Cash, Tom Waits, Alanis Morissette, and Young MC.
In 2009, Rolling Stone readers ranked Flea the second best bassist of all time, behind only John Entwistle. In 2012, he was inducted into the Rock and Roll Hall of Fame with the other members of the Red Hot Chili Peppers.
Flea has also acted in films such as Suburbia, Back to the Future Part II and Part III, My Own Private Idaho, The Chase, Fear and Loathing in Las Vegas, Thrashin', Dudes, Son in Law, The Big Lebowski, and Baby Driver, in addition to voicing the character Donnie Thornberry in The Wild Thornberrys animated television series and films. In 2014, Flea returned to acting in the film Low Down.