Why did the werewolf only go to the barber once a month?

Because he only needed a trim during the full moon.

Why are ghosts bad at lying?

Because you can see right through them!

Why did Medusa get terrible service at the hair salon?

Because every time the stylist looked at her, they turned to stone!

What did the pumpkin say to the pumpkin carver?

You're gourd at that job!