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 Legend of the Vampire Scooby-Doo! and the Legend of the Vampire Scooby-Doo and the Legend of the Vampire is a 2003 direct-to-video animated comedy horror film, and the fifth in a series of direct-to-video films based upon the "Scooby-Doo" Saturday morning cartoons. It was completed in 2002, and released on March 4, 2003 and it was produced by Warner Bros. Animation (though it included a copyright for "Hanna-Barbera Cartoons, Inc." and a recreation of the 1968 Hanna-Barbera "Zooming Box" logo at the end). It is the first "Scooby-Doo" direct-to-video film to have the flatter, bright animation style of the "What's New, Scooby-Doo?" series, departing