I have no idea because the actual joke is always in the comments.
Jeffrey. Knock knock, Who's there? NOT JEFFREY
Bob
The thief was spending less then his wife.
A. Who cares
Because they can't deny that their comment was the parent.
Answer in comments
queried the octopus. "Oh, I have inside information" said the whale.
If you're dying to be hurt so badly, I've got a baseball bat for that.
Because she was a-Kraid to. Now I think about it, this joke is a bit more "Riddle-y," than say an actual joke.