Ruby-Doo

Ruby-Doo is the mother of Scrappy-Doo and is the younger sister of Scooby-Doo. She is a great dane, born to Mumsy and Dada-Doo. She gave birth to Scrappy at St. Bernard's Memorial Hospital. She lets Scrappy go on adventures with his uncle Scooby.

A Pup Named Scooby-Doo
Ruby attended the Doo family reunion at the Knittingham Puppy Farm. As a puppy, she related a lot to Daphne Blake.

Appearances

 * A Pup Named Scooby-Doo - Curse of the Collar
 * The Richie Rich/Scooby-Doo Show - Scrappy's Birthday