Continuity mistake: The amount of creme running down Eliotts glass changes between shots.
Visible crew/equipment: During the scene where JD is fantasizing about dancing with the German patient to "99 Luft Balloons," a crew member's green-sleeved arm is momentarily visible throwing balloons into the shot.
Continuity mistake: The whipped cream on Eliott's Jello goes down between shots.
Continuity mistake: When Turk has his hand up in the operating room, it varies between having blood on it and not between shots.
Answer: This is an American comedian called Scott Thompson, more widely known by his stage name of "Carrot Top".
Tailkinker ★