Pirate Jokes

Four Pirate Jokes made at work (highlight text/space below for answer):
What do you call a fat Pirate? (by Curtis)
Answer:

Avast Matey!

Where do Pirates go to school? (by Dave)
Answer:

HarrrrrVarrrrd!

What is a Pirate's favorite band? (by Dave)
Answer:

Gwarrrrr!

What does a Pirate call his ant-eating animal enemy? (by Sean)
Answer:

Arrrrdvarrrrk!