Madelyn Dinkley is a student at the Whirlen Merlin's Academy of Magic, and the younger sister of Velma. 3.2 Scooby-Doo! Abracadabra-Doo. 3.3 Scooby-Doo! Frankencreepy. Madelyn is a …

Madelyn Dinkley is the supporting character of Scooby-Doo! Abracadabra-Doo. She is a student at the Whirlen Merlin's Academy of Magic, and the younger sister of Velma.

After helping Mystery Inc. solve a factory mystery, Velma Dinkley receives a call from her mother to check on her younger sister Madelyn, a student of the Whirlen Merlin Magic Academy, after …

After wrapping up their latest mystery of the chemical creep, Velma gets a call from her mother asking that she check on her younger sister Madelyn, who attends a college for magicians. …

Abracadabra-Doo: Directed by Spike Brandt, Tony Cervone. With Frank Welker, Matthew Lillard, Grey Griffin, Mindy Cohn. The gang goes on a trip to check on Velma's younger sister, Madelyn.

The Merlin Brothers Academy of Magic (formerly Whirlen Merlin's Academy of Magic and O'Flannery Manor) is a magician school run by stage magician expert, Whirlen Merlin. It is …

Abracadabra-Doo She solved the griffon mystery with the gang. She was also Velma's younger sister.

Danica McKellar is the voice of Madelyn Dinkley in Scooby-Doo! Abracadabra-Doo . Movie: Scooby-Doo! Abracadabra-Doo Franchise: Scooby-Doo

Madelyn Dinkley is a student at the Whirlen Merlin's Academy of Magic, and the younger sister of Velma. Madelyn will meet Winnie the Pooh and his friends in Pooh's Adventures of Scooby …

Madelyn takes Shaggy and Scooby-Doo up to a crypt, where the gryphon attacks them and chases them back to the school, with students witnessing the scene and getting taken home. …