Knock-knock..
Who's there?
Cargo.
Cargo who?
Car go beep beep!
How did the doofus fall on the floor?
He tripped over the cordless phone.
"Doctor, Doctor, I have a hoarse throat."
"Well I hate to break it you, but the resemblance doesn't end there."
What happened when dog went to the flea circus?
He stole the show!