CKY (originally known as Camp Kill Yourself and later as Camp; sometimes stylized as cKy or ckY ) is an American alternative metal band that formed in West Chester, Pennsylvania in 1998. Currently comprising vocalist and guitarist Deron Miller, guitarist and vocalist Chad I. Ginsburg, drummer Jess Margera and bassist Matt Deis, the band has released four studio albums and is closely linked with the CKY Crew and the television series Jackass, both of which feature Bam Margera (brother of drummer Jess).
The band shares its name with the CKY video series, a series of skate and prank videos (and its crew) created by Bam Margera, brother of drummer Jess. CKY's music has been featured in all four CKY videos and various other related projects including Jackass, Jackass: The Movie, Viva La Bam, Haggard, Bam's Unholy Union, Viva la Bands and Tony Hawk's Pro Skater 3. Their songs have also featured in the video games Burnout Revenge, Backyard Wrestling: Don't Try This at Home, Jackass: The Game and the soundtrack to Resident Evil: Apocalypse.