|First Appearance:||The Alliance|
|Voiced By:||Donna Daley|
The Harpy Sisters are a trio of powerful harpies who live to create havoc. After being imprisoned for a thousand years, the Harpies are awakened. They decided they would destroy the Sky Realm for their entertainment. They first attacked the Wingdom and encountered the Sky Dancers. After toying with Slam, they left the Wingdom and headed for Sky Hive.
The lead sister wears a purple outfit with blue, spiked hair, the second sister is much larger than the others and wears a blue outfit with purple hair in a ponytail, and the third sister wears an orange outfit with green shoulder-length hair.