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 2002, Jamie Malanowski of the "New York Times" commented that "["Scooby-Doo"s] mysteries are not very mysterious, and the humor is hardly humorous. As for the animation—well, the drawings on your refrigerator may give it competition." By the 2000s, "Scooby-Doo" had received recognition for its popularity by placing in a number of top cartoon or top cartoon character polls. The August 3, 2002, issue of "TV Guide" featured its list of the 50 Greatest Cartoon Characters of All Time, in which Scooby-Doo placed twenty-second. Scooby also ranked thirteenth in Animal Planet's list of the 50 Greatest TV Animals. For one year