The devilock is a hairstyle created by Misfits bass player Jerry Only sometime between June 1978 and June 26, 1979. In an interview, Only stated that it evolved out of a "tidal wave" hairstyle he wore at the time. The sides and back of the hair are kept short, while the front is kept long and combed forward. There are several variations of the devilock. The most common version is worn with the front hair pinched into a ponytail. However, the members of Samhain sported devilocks that were spread out and looked more like extremely long bangs. Also called a "reverse mullet" or "forward mullet".

Devilock is also a song on The Misfits album Earth A.D

Bands known to have worn devilocks: