Overkill is an American thrash metal band, formed in 1980 in New Jersey. They have gone through many lineup changes, leaving bassist D.D. Verni and lead vocalist Bobby "Blitz" Ellsworth as the only constant members. In addition to Verni and Ellsworth, Overkill's current lineup includes Dave Linsk on lead guitar, Derek Tailer on rhythm guitar and Jason Bittner on drums. Along with Nuclear Assault and Anthrax, whose one-time lead guitarist Dan Spitz was also an early member of Overkill.