Most Information and Bio picture are from Xbox360Achievements.org and its posters xRogue 5x and Fizzmatix. Original thread can be found at this location.
The Captain of the Guard is a Most Wanted Ghost encountered in Ghostbusters: The Video Game in the online missions. He is a variant of the Book Centurion enemy and is encountered by destroying the Book of Pain and killing 20 Paper Constructs or Book Centurions throughout all library matches. He appears in the Library levels.