The Sex Pistols were formed by Johny Rotten,the singer.They made the song Anarchy in the U.K. in 1977. Sid Vicious, the bassist, died in 1979 of a drug overdose. U.K. was in Guitar Hero III: Legends of Rock and Pretty Vacant was in Guitar Hero World Tour, both of which are newer recordings of the songs, as original copies could not be found.
Johnny Napalm is based on Sid Vicious whilst Judy Nails could be based on his girlfriend Nancy Spungen.