AceShowbiz - Grizz Chapman, best known for his role as Grizz on 30 Rock, has died at the age of 52, according to TMZ. His passing reportedly occurred on a Friday, though the cause of death has not been disclosed.

Grizz Chapman began his role on 30 Rock when the show premiered on NBC in 2006. On the series, he portrayed the loyal friend and bodyguard to Tracy Jordan, played by Tracy Morgan. Alongside Kevin Brown’s character Dot Com, the duo served as protectors and confidants to the unpredictable comedian Tracy Jordan. Chapman later revealed he first met Morgan while working as a bouncer at a strip club.

Grizz Chapman appeared in 80 episodes throughout all seven seasons of the critically acclaimed, Emmy-winning series, which concluded in 2013. Beyond 30 Rock, his acting credits include appearances on shows such as The Good Fight, The Blacklist, and Blue Bloods.

Chapman was open about his health struggles, publicly sharing his battle with kidney disease. He became a spokesperson for the National Kidney Foundation and spoke about his condition on The Dr. Oz Show in 2009. At that time, he was undergoing dialysis while waiting for a kidney transplant, which he eventually received the following year.

Grizz Chapman’s death marks a loss for fans of 30 Rock and those aware of his advocacy for kidney health. Further details regarding his passing have not yet been made public.

This article is based on reporting originally published by TVLine.