Chaos A.D. is an alias of Tom Jenkinson, who is also known for recording as Squarepusher. Under this name, he releases acid-oriented electronic music associated with IDM, techno and acid styles. The project is linked to the Rephlex label and is described as centring on creative acid tracks made with a Boss DR-660 drum machine. Jenkinson is from Chelmsford and Sheffield and was born in 1975.