Ernst Stavro Blofeld and Christoph Waltz, among others. It was initially a convention of the films not to show Blofeld's face, only a close-up of him stroking his white, blue-eyed Persian cat. Many of Blofeld's characteristics have become tropes in popular fiction, representing the stock character of the supervillain, with the stroking of his white cat often retained as a parodic allusion to Blofeld's character, as seen in the "Austin Powers" film series with the character of Dr. Evil and his cat Mr. Bigglesworth, or in the cartoons "Inspector Gadget" with the character of Dr. Claw and "Danger Mouse" with the character of
A Pup Named Scooby-Doo determine who the criminal was in any particular episode. Velma also owned an oversized fan-propelled skateboard with a color scheme similar to the Mystery Machine, which all the characters could ride on. The "What's New, Scooby-Doo?" episode "A Terrifying Round with a Menacing Metallic Clown" featured a flashback to Velma's fifth birthday, using the character designs from "A Pup Named Scooby-Doo", albeit with some modifications, such as Daphne wearing purple rather than pink. Fred and Velma were the only returning characters to speak in the flashback and were voiced by their normal voice actors Frank Welker and Mindy Cohn. The