Pictures:

How do you get someone to say 'Who's there?'

You say 'Knock, knock'

2974

Why did Linda name her dogs Rolex and Timex?

They were her watch dogs.

1685

What's so special about Willy the window washer?

He never missed work for 37 years - the longest streak ever.

370

What is a good motto for a sausage company?

We make the best wurst.

1032

What fictional character had an open mind?

Frankenstein.

2151

What does the Eiffel Tower have in common with a tick?

They are both Paris sights.

1875

Why was the bee punished?

Because it didn't bee-have.

2123

How is the metric system similar to a guy going on a date?

They both involve a 'meet her'.

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What is a stack of watches called?

A watch tower.

911

What was the double-jointed acrobat very good at?

Patting himself on the back.

1559

How does a pipefitter foreman ensure his workers aren't too noisy when on jobsites?

He asks them to pipe down.

983

Where do fish learn what they know?

In schools of fish.

1983