He was one of the prefects who forced the Eleventh Doctor, Rory Williams and Amy Pond to go to the headmaster's office, by pointing a weapon at them. However, the Doctor convinced the headmaster that he was a school inspector by showing him his psychic paper.
Perkins' purpose was to protect the school. He tried to save the life of the students and the Doctor, by holding off the giant insects who were attacking the students as long as possible. (AUDIO: Darkstar Academy)