Jack Irons (born July 18, 1962 in Los Angeles, California, USA) is a drummer who has played for the Red Hot Chili Peppers, What Is This?, Redd Kross, Raging Slab, Joe Strummer and Latino Rockabilly War, Pearl Jam, and Eleven. (1983-1988) Red Hot Chilli Peppers Jack was a founding member of, and the original drummer for, the Red Hot Chili Peppers. He attended Fairfax High School in Los Angeles, California alongside Anthony Kiedis, Michael "Flea" Balzary and Hillel Slovak.