Casey Royer (born October 8, 1960) is an American musician who began his career playing drums for punk bands, The Detours and Social Distortion at age 18 in 1978. He then moved on to play for The Adolescents off and on from 1980–87. While The Adolescents were on hiatus from 1981–86, Casey went on to form D.I. in 1981, a Southern California hardcore beach-party punk band, who are still recording records and touring today. When The Adolescents regrouped in 1986, Casey returned to start working on their new album, Brats in Battalions, but wanting to keep D.I. going, he left before the album was recorded. Casey also jumped on the ADZ bandwagon from 1989–93, after which he again made D.I. his primary focus. D.I. has continued to work steadily, although they have been on hold off and on. Casey temporatily reunited with The Adolescents in 2001-2002, but decided to continue working with D.I., where he is the only remaining original member today.
Casey had some brief problems with addiction some years back, but has since cleaned up his act and D.I. is going strong today.
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