Do you like this knock knock joke?

[Suomynona]

Dave: Bob, do you know how to play knock knock?

Bob: Yes.

Dave: Ok you're going to be the person that says, who's there, and I'll be the one that says knock knock...
Knock knock.

Bob: Who's there?

Dave: Who's

Bob: Who's who?

Dave: Who's who? I told you; you're the one that says who's there, and I'm the one that says knock knock.

By the way, pretend you don't like this joke if you really think it's a great joke. Or if you think it's good but not great, don't comment at all. Thanks!