Principal Deedle

Principal Deedle A.K.A The Dark Specter is the main antagonist of the 2009 Scooby-Doo movie, ''Scooby-Doo! The Mystery Begins''.

He was portrayed by Shawn Macdonald.

Physical Appearance
His costume was a black cloak with a green mask.

The Mystery Begins
Deedle used the Dark Specter disguise to scare his students away while he searched for a rare stamp called the "Erie Misprint" that is buried in a time capsule below his school with the help of two real ghosts named Prudence Prufrock and Ezekial Gallows. However Fred Jones, Daphne Blake, Velma Dinkley and Shaggy Rogers were blamed for his plans and were suspended and later expelled from Coolsville High. With the help of Scooby-Doo, they later returned, cleared their names, captured Deedle and foiled his evil plan.