It's because he isn't unique. There's always amumu here and amumu there, here a mu, there a mu, everywhere amumu.
Mu
He hates camping
Criminal Intent.
She fell out of the tree.
Because if he lifted up both legs it would fall over!
Get off Mu-lan!!!
Amumu
Spartify
Psi...
A monster that climbs up the Empire State Building and catches aeroplanes with its tongue.
A Tuna Chi-Cannery