Chas Kramer

Chas Kramer was a taxi driver, John's friend, and personal chauffeur, as well as an aspiring demon hunter whose life was cut short by the Archangel  Gabriel.

Chas was portrayed by Shia LaBeouf in the 2005 motion picture and appears in  all  media  associated with said film. Chas is loosely based on the character of Chas Chandler from the Hellblazer comics.