What is jokes like updog?

"Updog" is a type of joke that involves tricking someone into asking "What's updog?", to which the speaker responds with "Not much, what's up with you?". The joke relies on a play on words, as "updog" sounds similar to "what's up, dog?". It is a popular prank among friends and has been featured in various TV shows and movies, including "The Office" and "The Simpsons".