A Jehovah's Witness.
because it's the only time a black man can tell a crowd of white people to put their hands in the air.
When you put your hand down her pants you think you're feeding a horse.
Start shouting Jehovah.
Someone knocking at your door for no apparent reason.
knock knock knock... excuse me sir, but do you have a few minutes to discuss nothing
Someone who pointlessly knocks on the door.
Knock-Knock Jokes
Because HE is the one who knocks.