Who's there? Ping Pong

Here you can find all the knock knock jokes that have the response 'Ping Pong' to the question who's there?

Knock, knock!
Who's there?
Ping Pong.
Ping Pong who?
Ping Pong the witch is dead...
Do you know more knock knock jokes about "ping-pong".
Do not hesitate to send it to us so we can publishes it.
Submit your knock knock joke here.