Who is that with a neck and no head, two arms and no hands? What is it?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What part of Turkey has the most feathers?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What has hands, but can’t clap?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Rearrange the letters in "new door" to make one word.

What is the difference between a jeweller and a jailer?

There are forty elephants and they have forty-fore heads. How can this be possible?

What has no start, end, or centre?