Marcy (A Scooby-Doo Halloween)

Marcy is Velma Dinkley's cousin, the daughter of Velma's Uncle Evan and Aunt Meg. She was born on Halloween and grew to resent the holiday because it interfered with celebrating her birthday. She built scarecrow robots to ruin Halloween for the others.

Season Three
(A Scooby-Doo Halloween)

Appearances

 * What's New, Scooby-Doo? - A Scooby-Doo Halloween