Knock! Knock! Who’s there? Art…

Knock! Knock! Who's there? Hanna. Hanna who? ...Hanna partridge in a pear tree!

Knock! Knock! Who's there? Ho-ho. Ho-ho who? You know, your Santa impression could use a little work.

Knock! Knock! Who's there? Hike. Hike who? I didn't know you liked Japanese poetry!

Knock! Knock! Who's there? Robin. Robin who? Robin you, now hand over the cash!

Knock! Knock! Who's there? Spell Spell who? W-H-O