You hear him howling around your kitchen door, you better not let him in…

Solid dad joke.

I saw a werewolf drinking a piña colada at Trader Vic's.

His hair was perfect.

I showed this to my dad and he loved it.

This is the best knock knock joke I've ever encountered; well done OP and Happy Halloween!

Awoooooooo werewolves of london awoooooooo

Did Charles take over taking the Chaney family for walks?

This worked!