Corey (birth date unknown - September 23, 2014) was Sally MacGill's boyfriend before they broke up and Arthur murdered him. In Arthur's Babysitter Drama, Sally reveals to Arthur that she and Corey broke up. Before Arthur has the chance to make his move, Corey bursts in and tries to apologize to Sally. But then he thinks that Sally was cheating on him with Arthur, so he attacks her. Arthur strangles him with a rope and he dies.
- Corey's final words were, "YOU LYING LIAR," referring to Sally.