He was un hoppy!
Because a frog croaks all the time but a cat only gets to croak nine times!
Kermit the Fog!
An un-armed gingerbread man
Because one egg is un oeuf.
Ventriloquists have to be able to speak with their mouths closed. Politicians speak out of both sides of their mouths simultaneously.
RUN! She's got a grenade in her mouth!