It's because he isn't unique. There's always amumu here and amumu there, here a mu, there a mu, everywhere amumu.
Interactive Joke of the Day Mug
Coffee Mug
Mu
With a crowbar.
A
The leaf, the rope stops the emo.
Because the pilot was a loaf of bread
Concentration camp.
Ready, aim, make the FIRE!
Get off Mu-lan!!!"
They had way to many chinks in their armor.
Amumu
The Cowboys Stadium. Because they can't catch anything there.
Alf all if you don't catch me!