Funny? No, but enjoyable.
Here's the difference between a Flash Mob Harlem Shake Video done well, and one done poorly: Camerawork. Also, having at least one funny element, or eye-candy, in this case: A mascot-mascots are always funny, or creepy, but generally the creepier they are, the funnier they are-and cheerleaders.
The Flash Mob Harlem Shake Video, Done Well