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 (video game) Scooby-Doo (video game) Scooby-Doo (also known as Scooby-Doo in the Castle Mystery) is a video game based on the television character of the same name. The game was developed in by Gargoyle Games for the ZX Spectrum, Amstrad CPC, Commodore 64, and Commodore Plus/4. A much-hyped game, Elite first started advertising this from around Autumn 1985. The advert billed the game as "the first ever computer cartoon". Issue 21 of Crash carried a full preview of the game. The game was to feature all the characters from the cartoon and was set in a Scottish castle owned by Shaggy's auntie.