Adam David Willard, best known by his stage name Atom Willard (bornSeptember 15, 1973 ), is an American drummer who has been a member of several notable musical acts. Willard's drumming career began in 1990 when he joined Rocket from the Crypt, whom he remained with until 2000. Subsequently he joined The Special Goodness and The Offspring, and in 2005 became a founding member of Angels & Airwaves. In 2007 Willard announced his departure from The Offspring to focus on his work with Angels & Airwaves, and in April 2009 he also joined Social Distortion, but left the following March. In June 2011 he joined the band Danko Jones and in the following October he announced his "amicable" departure from Angels & Airwaves. He is currently the drummer for Against Me!
Willard was endorsed by Orange County Drums and Percussion until March 2011. When performing with Angels and Airwaves his drum kit consists of two snare drums (6.5"x14" and 7"x12"), two tom-toms (6"x6" and 9"x13"), two floor toms (14"x16" and 16"x18"), and a bass drum (18"x26"). For cymbals he uses Zildjian K custom session hi-hats (14"), an A custom EFX crash cymbal (18"), two A custom projection crashes (19" and 20"), a K custom ride cymbal (22"), and a K custom medium ride cymbal (20"). As of March 20, 2011, Atom is an official Drum Workshop endorser, both for hardware and drums.