Scooby-doo! and the fairground phantomJames GelseyScooby-Doo! Mysteries, book 11

Characters in Scooby-doo! and the fairground phantom

6 characters, main characters first.

Main characters

Scooby-Doo
Also in Scooby-Doo! and the Haunted Castle, Scooby-Doo and the Mummy's Curse, Scooby Doo! and the Sunken Ship, Scooby-Doo! and the Howling Wolfman, Scooby-Doo! and the carnival creeper, Aloha, Scooby-Doo!, Scooby-doo! and the runaway robot, Scooby-Doo! and the rowdy rodeo
Shaggy Rogers
Also in Scooby-doo! and the runaway robot

Antagonists

Revolutionary War ghost