Long John Grimsby

Long John Grimsby was a buccaneer who founded Grimsby Hall.

Physical appearance
He was a Caucasian man with a long black beard.

Scooby Doo... Mystery Comics (Gold Key Comics)
He was a pirate who went down with his ship, and the great uncle of the current owner of Grimsby Hall, Jim Grimsby. A fortune-humter impersonated his ghost.

Appearances

 * Scooby Doo... Mystery Comics (Gold Key Comics)
 * The Watery Ghost of Grimsby Hall

Notes/trivia

 * The name "Long John" is a reference to Treasure Island.