The vampire in Scooby-Doo and the Reluctant Werewolf is Count Dracula.
The 1988 television film places Shaggy, Scooby-Doo, and Scrappy-Doo in a monster-racing story organized by Dracula. Shaggy is transformed into a werewolf and is then compelled to compete in a race against other famous monsters.
Count Dracula is a long-established fictional vampire who appears in Bram Stoker’s 1897 novel Dracula and in countless later adaptations. The Scooby-Doo film uses the familiar name and gothic imagery while presenting the character in a comedic, family-friendly setting.
The title’s “reluctant” werewolf is Shaggy, not Scooby. That distinction is an easy source of confusion: Scooby remains himself, while Dracula’s plot centers on forcing Shaggy into the monster role.