They share their name with a series of skate and prank videos created by Bam Margera, brother of drummer Jess Margera. CKY's music has been featured in all four CKY videos and various other Bam projects including Jackass, Jackass: The Movie, Viva La Bam, Haggard, Bam's Unholy Union, Viva la Bands, Viva La Bands Volume 2 and the Tony Hawk's Pro Skater 3 video game. Their songs have also featured in the video games "Burnout: Revenge", Backyard Wrestling: Don't Try This At Home and the soundtrack to Resident Evil: Apocalypse.

(excerpt from Wikipedia cuz I'm too lazy to type my own)