Greg Blakeman was the headmaster of Park Vale School. In 2008, he was killed by Glune Fex Fize Sharlaveer-Slam Slitheen, and his skin was used for the Slitheen. Later, Glune was killed by vinegar. (TV: Revenge of the Slitheen)
Blakeman was replaced by Haresh Chandra in 2009. Haresh believed that Blakeman had "mysteriously vanished". (TV: The Day of the Clown)