Scooby-Doo (Fictitious character) Private investigators Dogs Monsters Criminal investigation Criminal behavior Families Friendship Ghosts Haunted places Supernatural Artificial intelligence Children's television programs Circus Great Dane Robots Smurfs (Fictitious characters) Superheroes Treasure troves Wizards Acquisitions Amusement parks Automobile racing Bears Best friends Birthdays Blu-ray discs Business enterprises Camps Carnivals