Thatch (also known as Thatch The Vampire Bully) is a vampire who is a student at Scare School and he's the secondary antagonist in the movie Casper's Scare School. He is played by Matthew Underwood in the film, Carter Jackson in the first season of the TV series and Matthew Geczy in the second season. Thatch is one of Casper's greatest rivals and shows great distaste for him due to his friendliness.