D.I. (band)

D.I. is an American punk rock band formed in 1981 in Fullerton, California. It was founded by vocalist and primary songwriter Casey Royer, after previously playing drums in the bands Adolescents and Social Distortion. Since its formation, D.I. has had many line-up changes over the years with Royer being the only constant member of the band. The line-up began stabilizing in the 2000s, and as of 2024, the band consists of Royer, Trevor Lucca (guitar), Josiah Darden (drums) and longtime members Clinton Calton (guitar) and Eddie Tatar (bass).