Scooby-Doo on Zombie Island sequences of interplay between Shaggy and Scooby for him. After Don Messick's death, Scott Innes replaced Messick as the voice of Scooby-Doo. Casey Kasem did not reprise his role as Shaggy Rogers as he wished to only voice Shaggy if the character became a vegetarian, like himself. Instead, Billy West provided the voice for Shaggy. Mary Kay Bergman was cast as Daphne when the character was taken in a new direction. B.J. Ward, who played Velma in the "Johnny Bravo" crossover episode, reprised her role in this film. Frank Welker is the only actor from the original series to reprise
Scooby-Doo boxes, iron-on transfers, coloring books, story books, records, underwear, and other such goods. When Scrappy-Doo was introduced to the series in 1979, he, Scooby, and Shaggy became the foci of much of the merchandising, including a 1983 Milton-Bradley "Scooby-Doo and Scrappy-Doo" board game. The first "Scooby-Doo" video game appeared in arcades in 1986, and has been followed by a number of games for both home consoles and personal computers. "Scooby-Doo "multivitamins also debuted at this time, and have been manufactured by Bayer since 2001. "Scooby-Doo" merchandising tapered off during the late 1980s and early 1990s, but increased after the series'