A duck. ... with hiccups.
A quack-head.
A Pair-a-ducks.
Sis boom baa Carnac
They both tell the audience what they are glad to hear. But at the end, the audience laughs at the comic, and the politician laughs at the audience.
A pineapple.
Camembert!
A Meringue-u-tang!!! Note: I know it's spelled Orangutan. :P
The Neighbor of the Beast.
A: A mountain with the hiccups.
Dunk your head in a bucket of water and pull it out twice.