Scooby-Doo and Scrappy-Doo (1979 TV series) threatening cancellation for the show, whose ratings were in decline. ABC was going to choose between two shows-Scooby-Doo or an unnamed pilot from Ruby Spears Enterprises. Therefore, for its 1979–1980 season, "Scooby-Doo" was given a major overhaul, adding the character of Scooby's nephew Scrappy-Doo, voiced by Lennie Weinrib, and changing the name of the show to "Scooby-Doo and Scrappy-Doo". Although still present in these episodes, the characters of Fred, Daphne, and Velma became less essential to the plot and Shaggy, Scooby and Scrappy were the main focus. Marla Frumkin took over Pat Stevens' role as Velma Dinkley towards the end
Scooby-Doo (character) in every "Scooby-Doo" production from 1969 until 1994's "Scooby-Doo! in Arabian Nights". Voice actor Hadley Kay voiced the character for a brief period in 1997, for two episodes of "Johnny Bravo", and a few television commercials. Scott Innes (also the then-voice of Shaggy) voiced Scooby-Doo in four late 1990s/early 2000s direct-to-video films and continued to voice the character regularly for toys and video games (such as "Scooby-Doo! Night of 100 Frights") until 2008. Neil Fanning provided the voice of the computer-generated Scooby-Doo in the 2002 live-action film and its . Frank Welker (also the voice of Fred since 1969) has