Scooby-Doo the head story editor on "Scooby-Doo" since 1983. Following the first season of "A Pup Named Scooby-Doo", Ruegger and much of his unit defected from Hanna-Barbera to Warner Bros. Animation to develop "Steven Spielberg Presents Tiny Toon Adventures" and later "Animaniacs", "Pinky and the Brain", and "Freakazoid!". From 1987 to 1988, Hanna-Barbera Productions produced "Hanna-Barbera Superstars 10", a series of syndicated TV movies featuring their most popular characters, including Yogi Bear, Huckleberry Hound, The Flintstones and The Jetsons. Scooby-Doo, Scrappy-Doo and Shaggy starred in three of these movies: "Scooby-Doo Meets the Boo Brothers" (1987), "Scooby-Doo and the Ghoul School" (1988),
Scooby-Doo! Haunted Holidays takes the elf's place and the film end when scooby take the Santa actor's place and said his motto after asking a young girl what she would like for the holidays. Scooby-Doo! Haunted Holidays Scooby-Doo! Haunted Holidays is the second Direct-to-DVD special based upon the "Scooby-Doo" Saturday morning cartoons as a Christmas special, released on October 16, 2012 on the 13 Spooky Tales: Holiday Chills and Thrills DVD. It premiered on Cartoon Network on December 4, 2012. The film begins by a toy store where the gang is enjoying a winter festival, when a living snowman arrives and chases everyone