Gregor is a friendly, easygoing man with a casual manner of speaking. Compared to many of his coworkers, Gregor is considerably amicable, and tends to maintain a cursory attitude. Gregor also possesses a "cutesy" side to his personality, usually poking through when he is embarrassed. Still, in situations that affect Gregor negatively on a personal level, his demeanor noticeably changes. His arm is replaced by a giant hook, also wielding a gold blunderbuss. He also smokes.