He is probably best known from his roles as Black Vulcan in `` Super Friends '' , Blaster in `` The Transformers '' , Doc in '' '' and Winston Zeddemore in `` The Real Ghostbusters '' ( replacing Arsenio Hall ) and later `` Extreme Ghostbusters '' .
He was best known for his roles as Black Vulcan in `` Super Friends '' Blaster in `` The Transformers '' , Doc in '' '' and Winston Zeddemore in `` The Real Ghostbusters '' ( replacing Arsenio Hall ) and later `` Extreme Ghostbusters '' .