Cranky claim jumper.

HB's charming roommate: "HB was taking a nap and I was bored."
Syrup: "Pounce on her. She loves that."
HB: "No pouncing! I needs m'naps."
S: "You sound like a cranky claim jumper."
HB: "That's my alternate persona, Willie "Naps" McLogvaulter."