Ah, a gnu.

I'm a gnu—I'm a gnu
The g-nicest work of g-nature in the zoo
I'm a gnu—how do you do?
You really oughtta g-know w-who's w-who

Flanders & Swann did mention you weren't all that bright.
Y'see, the trolls ain't arrived yet.
(That would be madlizziecornish and uncleboko and their many aliases).