What happened when the guy walked into the bar?

If athletes get athlete's foot, what do astronauts get?

Which famous author is also a ruler?

What did the dog name his new photocopy shop?

Which dogs love to study science?

Why did the football quit playing in the Big Game?

What do you get when you cross poison ivy with a 4-leaf clover?

What did the iceberg say to its dad?

What do cheesy parents say about their kids?

Why did the toad become a lighthouse keeper?

What school subject really rocks?

Where do automobiles have picnics?

What kind of cheese do they eat on Sesame Street®?

Have you heard the one about the bad pole-vaulter?

Why did the painting win the presidential election?