in 1979–80. Don Messick assumed the role in 1980 for the Scooby-Doo and Scrappy-Doo segments of The Richie Rich/Scooby-Doo Show and continued as Scrappy through 1988. Scrappy has only appeared sporadically since 1988, with Scott Innes performing the voice in the 2002 live-action film, which portrays Scrappy as the main villain, as well as in Cartoon Network bumpers, video games and toys since 1999. Dan Milano voiced Scrappy in a 2007 Robot Chicken sketch. Comic books Gold Key Comics began publication of Scooby-Doo, Where Are You! comic books in December 1969. The comics initially contained adaptations of episodes of the television show drawn by Phil DeLara, Jack Manning and Warren Tufts. The comic books later moved to all-original stories until ending with issue #30 in 1974. Several of these issues were written by Mark Evanier and drawn by Dan Spiegle. Charlton published Scooby comics, many drawn by Bill Williams, for 11 issues in 1975. From 1977 to 1979, Marvel Comics published nine issues of Scooby-Doo, all written by Evanier and drawn by Spiegel. Harvey Comics published reprints of the Charlton comics, as well as a handful of special issues, between 1993 and 1994. In 1995, Archie Comics began publishing a monthly Scooby-Doo comic book, the first year of which featured Scrappy-Doo among its cast. Evanier and Spiegel worked on three issues of the series, which ended after 21 issues in 1997 when Warner Bros.' DC Comics acquired the rights to publish comics based on Hanna-Barbera characters. DC's Scooby-Doo series continues publication to this day. In 2013, DC began a digital bi-monthly comic book titled Scooby-Doo Team-Up, crossing over Mystery Inc. with other DC and Hanna-Barbera characters. Since then, the series has become a monthly comic book available in print. In 2004, a limited series of a 100 comic books called Scooby-Doo! World of Mystery was released. In each issue, Mystery Inc. go from country to country solving mysteries. Each issue came with a pack of exclusive cards, with 350 in total able to be collected. In 2016, DC launched a new monthly comic book entitled Scooby Apocalypse, with the characters being reinvented in a story set in a post-apocalyptic world, where monsters roam the streets and Scooby and the gang must find a way to survive at all costs, while also trying to find a way to reverse the apocalypse. Merchandising Early Scooby-Doo merchandise included a 1973 Milton Bradley board