"Here's Donny! Yahhh!!" ~ Donny breaking into the house.

Donny was a would-be friend of Cleveland Brown on The Cleveland Show and is the hidden main antagonist of the season 3 episode Nightmare on Grace Street.

In How Cleveland Got His Groove Street, Donny was among Cleveland's new group of friends after he leaves Lester, Tim and Holt when he is embarrassed by Lester striking him out.

He returns for a major role as a antagonist in the Halloween special Nightmare on Grace Street were Cleveland repeatedly rejects him because of his bad joke telling. Finally on Halloween to prove he's brave to Rallo, Cleveland tells him to "Get Lost". Tired of getting rejected by Cleveland, Donny has a mental breakdown and tries to kill Cleveland by breaking in to his house with an axe. Unfortunately for him, when he got to Cleveland's house, he wasn't home so until he got back, Donny chased Donna and Cleveland Jr. around the house with his axe. When he caught them, he tied them up in Cleveland Jr.'s room and waited for Cleveland to come home disguised as Donna. When Cleveland and Rallo got home, he attacked them with his axe and almost killed Cleveland but Rallo sprayed fluid from Junior's WD-40 costume onto the floor, allowing him to push Donny out the window killing him, his last were "I hate black people". The family then sing The Black Eyed Pea's, I Gotta Feeling as Gus take's the body in the trunk of his car to be made into his "Turkey Sandwiches".

He was voiced by Danny Smith who played Ernie the Giant Chicken on Family Guy.