Scooby-Doo (currently voiced by Frank Welker) is the title character of the TV series with the same name. He is the dog member of Mystery Inc. He isn't the bravest member of the group, and he always thinks about food. But he is still heroic, friendly, funny and loyal to his friends. His friends are Fred, Daphne and Velma. His best friend is Shaggy.
- Jeffrey and Jaden will meet Scooby in Jeffrey, Jaden & Friends' Storm Adventures of Scooby Doo 2: Monsters Unleashed.
- Jeffrey and Jaden will meet Scooby again in Jeffrey, Jaden and Scooby Doo on Zombie Island.
- Scooby will appear again in Jeffrey, Jaden & Friends' Storm Adventures of Scooby Doo and the Witches Ghost.
- Scooby will guest star in Jeffrey, Jaden & Friends enter The Haunted Mansion.
- Despite the fact that he tends to chase cats, Scooby doesn't bother Tammy, DJ or Snowflake (due to Xion making sure he behaves around them).