WWE
It's a start. Maybe they can pick a random third-grade class to come up with an idea, and agree in advance to go with whatever they choose. Or, I don't know, a college marching band? They could bring out dogs or ponies, but that would probably overshadow the actual game.
I hear the names of these people, Kendrick Lamar in this example, and then when I see a clip... I won't lie it's shocking how bad it is, how stupid it is. Explains a lot though...