Robert Alvarez is an animator, animation director, director, writer, who has mostly worked for Hanna-Barbera and its successor Cartoon Network Studios; he has been the longest employee of the latter, since it was formed in 1995. He has also worked at Filmation and Warner Bros. Animation.
- The New Scooby and Scrappy Doo Show - animation (season 1) (credit error: Robert Alaverez)
- The 13 Ghosts of Scooby-Doo - animation (season 1)
- A Pup Named Scooby-Doo - animation director (season 1)
- Scooby-Doo on Zombie Island - animation director
- Scooby-Doo and the Witch's Ghost - animation timing director
- Scooby-Doo and the Alien Invaders - animation timing director
- Scooby-Doo and the Cyber Chase - animation timing director