Garrett Uddin, better known as CLOCKWORKDJ (formerly DJ Clockwork, Clock for short) is a DJ/producer from Cincinnati, Ohio. He is best known for having been Mac Miller’s in-house DJ throughout his entire career, accompanying him on tour as well as in the studio. He was also part of Mac’s Most Dope squad and was prominently featured on Mac’s TV show Mac Miller & the Most Dope Family.

Clock and TreeJay teamed up annually to release a weed-themed mixtape every 4/20 from 2011-2017 that would feature mostly Pittsburgh-based artists including Mac.