My favorite was always Xlinton.
I have a list from FR friends that keep me laughing:
A stupid burning bag of BS on the front porch.
Commander-in-Spending.
Dipshit from hell.
Idiot-Stick.
O-blah-blah.
President Precious.
Prissy little b!tch.
Ofailure.
No Drama Obama.
Pantload.
Just a few of my favorites...