C. Caroll

C. Caroll was an assistant football coach at Coal Hill Academy. He was killed by the skin-peeling dragon. (TV: The Coach with the Dragon Tattoo)

His initials "Caroll. C." were later added to the Coal Hill School Roll of Honours Board. (TV: Co-Owner of a Lonely Heart)

Behind the scenes
Caroll is listed as "Assistant Coach Carroll" in the credits, with two rs.