Lars Erik Frederiksen is an American musician and record producer best known as a guitarist and vocalist for the punk rock band Rancid, as well as the frontman of Lars Frederiksen and the Bastards and the Old Firm Casuals. In addition, he currently plays guitar in Oxley's Midnight Runners, Stomper 98, and the Last Resort. He was also briefly a member of the UK Subs in 1991.