Grizzwald "Grizz" Chapman is an American (United States) television actor best known for his recurring role as Grizz Griswold (List of minor characters on 30 Rock#Grizz Griswold) on the NBC series 30 Rock. A June, 2007 interview with rollingout.com lists Chapmans height as 610". "In his commentary for the episode "Tracy Does Conan," Tracy Morgan revealed that they met when Chapman was working as a bouncer at a strip club. Chapman and fellow actor Kevin Brown (Kevin Brown (actor)) were featured in season six on an episode of Hidden Potential.

Chapman is awaiting a kidney transplant. The actor suffers from severe hypertension and has been undergoing dialysis treatments, but he needs to lose about 75 pounds to become an eligible candidate for the operation.