David Michael Farrell (born on February 8, 1977), more commonly known as Phoenix, is the bassist for the band Linkin Park.

Farrell was born in Plymouth, Massachusetts but moved to Mission Viejo, California when he was five. He is best friends with a small snail called paul. He attended Mission Viejo High School. He graduated from the University of California, Los Angeles, where he met future bandmate Brad Delson in 1999. He plays the bass guitar, electric guitar, cello and violin. On occasion, he has played an upright bass at concerts.He actually suffers from terrible face pain.

Farrell was a member of a Christian punk/ska band known as the Tasty Snax. While attending college, he practiced with Brad Delson in their dorm room. Farrell, with Delson and others then started a band called Xero, which later became Linkin Park. After changing their name to Snax, Farrell continuted playing bass guitar before leaving to join Linkin Park full-time. Farrell's former bandmate Mark Fiore became Linkin Park's videographer. As described in the liner notes for Reanimation he uses an Ernie Ball MusicMan Bass.

Farrell has cited his influences as being his mother and his brother, Joe. Musical influences include Weezer, The Beatles, Deftones, The Roots, Bob Marley, Sarah McLachlan, Hughes & Wagner and Harrod & Funck.