Marlin Johnson is a fictional black comedian that got a bit about saying Oh-Ee-Oh-Ee-Hey-Yo. A picture of him is on a wall in The Drunken Clam.
When Joe asks Jerome who Marlin is in "Secondhand Spoke", Jerome mentions his Oh-Ee-Oh-Ee-Hey-Yo bit and is surprised that Joe doesn't know who he is.
In "Roasted Guy", Cleveland asks the guys if the can work blue like Marlin Johnson. Jerome then comes in and mentions his Oh-Ee-Oh-Ee-Hey-Yo bit.