There are several artists by this name. The Sick was a San Francisco-based hardcore punk band whose lineup consisted of
Tony Bonilla (vocals), Steve Wright (guitar), Ian Hartley (guitar), Matt O'Brien (bass), and
Billy McMillan (drums). The band was active from 1996-2008; their website is still up at www.thesick.com and some recent songs are available at www.myspace.com/thesick. The Sick is also a Japanese melodic hardcore band. They released a 7" entitled "Vi är sjuk" in early December, 2006 on Brutal Chaos Records.