Knocktor Knocktor...

Favorite
cliché,doctor who,Hall of Fame,joke,knock knock,knock knock joke,who
- -

If the comments on this post deteriorate into a "Who's on first" gag, I swear to god punmasters... - Matty Malaprop

The Man Who Made Knock Knock Jokes...

Favorite
bell,double meaning,homophone,knock knock joke,no,nobel prize,prize
- -

He also deserves a slap in the face, but maybe that's just me being judgmental... - Matty Malaprop

Download the new Cheezburger app for a chance to win a PS4! in Cheezburger 's Hangs on LockerDome