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 and the Cyber Chase Bill being at the college two years longer, and he felt more deserving to win the prize money at the university's science fair. Kaufman then protests that students alike are all equal. Bill was the one who beamed the gang into the game, as he feared they would find out that he created the virus. The gang and Eric play the new Scooby-Doo game, during which Scooby interacts with the gang's virtual counterparts once again by feeding Cyber-Scooby some Scooby Snax. The post-credits scene includes the gang telling what their favorite parts of the movie are. "Scooby-Doo and the Cyber