After a slime pit appeared in his driveway, Dean Roy had enough of Tri Kuppa Bro's pranks. When he made arrangements to expel them, three of the frat brothers hired the Ghostbusters. Roy later aided the Ghostbusters in identifying the leader of the real culprits, Elwin Spalding. He accompanied them to the girls' dorm where they enticed the ghosts with graduation. At the fake graduation ceremony, Roy gave a quick speech then Ray trapped them. Dean Roy apologized to the frat but Peter pulled the bucket of water prank on him.