- This is about the Solve That Mystery Scooby Doo! incarnation of Madelyn.
(Solve That Mystery Scooby Doo!)
Character Info Edit
Madelyn Dinkley is the sister of Velma Dinkley and owner of Scooby-Dum.
Madelyn has auburn hair with purple-colored lens glasses. She wears smart clothes as she is a NASA student.
Another incarnation of Madelyn (Madeline) appears in Scooby-Doo! Abracadabra Doo.