Jack Steven Irons (born July 18, 1962) is an American musician, best known as the founding drummer of American rock band Red Hot Chili Peppers and the drummer of What Is This.

He was also the founding drummer of Eleven.

He was also in Pearl Jam and The Wallflowers.

He has worked with Joe Strummer and The Latino Rockabilly War, Redd Kross, Raging Slab, Spinnerette and The Les Claypool Frog Brigade.

He played on Red Hot Chili Peppers' 1983 Demo, but left before the recording of their first album, and was replaced by former Weirdos drummer Cliff Martinez.

Irons rejoined Red Hot Chili Pepperz in 1986.

Irons left the Red Hot Chili Peppers a second time in 1988, since he couldn't cope with guitarist Hillel Slovak's death earlier that year, and was replaced by D.H. Peligro.

In 2004, Irons released his first solo album, Attention Dimension, and released his second, No Heads Are Better Than One, in 2010.

Irons was inducted into the Rock and Roll Hall of Fame as a member of the Red Hot Chili Peppers on April 14, 2012. Irons, along with former drummer Cliff Martinez, joined the band onstage for the first time in 24 years for a performance of their 1991 hit, "Give It Away".


With What Is ThisEdit

  • Squeezed (1984)
  • What Is This (1985)
  • Three Out Of Five Live (1985)

With Red Hot Chili PeppersEdit

With ElevenEdit

  • Awake in a Dream (1990)
  • Eleven (1993)

With Pearl JamEdit


  • Attention Dimension (2004)
  • No Heads Are Better Than One (2010)