
Michael Peter Balzary (born October 16, 1962), known professionally as Flea, is an Australian-American musician and actor. He is a founding member and bassist of the rock band Red Hot Chili Peppers.
Flea was born in Melbourne, Victoria; his family moved to Rye, New York, when he was four. After his parents divorced, Flea spent his childhood in the United States and Australia, before settling in California. At high school, he befriended singer Anthony Kiedis, with whom he formed the Red Hot Chili Peppers in 1983. Flea is also a member of the supergroups Atoms for Peace, Antemasque, Pigface, and Rocket Juice & the Moon, and has played with acts including the Mars Volta, Johnny Cash, Tom Waits, Alanis Morissette, Young MC, Nirvana, What Is This?, Fear, and Jane's Addiction.

Toy Story 4
2019 · as Caboom TV Announcer (voice)

Inside Out 2
2024 · as Jake (voice)

Inside Out
2015 · as Mind Worker Cop Jake (voice)

Baby Driver
2017 · as Eddie

Babylon
2022 · as Bob Levine

Back to the Future Part III
1990 · as Needles

The Big Lebowski
1998 · as Nihilist

Fear and Loathing in Las Vegas
1998 · as Musician

Back to the Future Part II
1989 · as Needles

The Outsiders
1983 · as Soc (uncredited)

Psycho
1998 · as Bob Summerfield

My Own Private Idaho
1991 · as Budd

The Wild Thornberrys Movie
2002 · as Donnie Thornberry (voice)

Rugrats Go Wild
2003 · as Donnie Thornberry (voice)

Earth, Wind & Fire (To Be Celestial vs. That's the Weight of the World)
2026 · as Self

The Rise of the Red Hot Chili Peppers: Our Brother, Hillel
2026 · as Self

Less Than Zero
1987 · as Musician #1

Song to Song
2017 · as Michael Peter Balzary