Penelope Stewart

Penelope Stewart is an alien/human hybrid girl and a major character in Return of Monster Kid. She is the daughter of Max and Zoey, younger sister of Madison Stewart, twin sister of Derek, and older sister of Max Jr. and Nora Stewart. She takes her mother's mantle as the new Princess Blight.

Weaknesses

 * Ska Music - Penelope dances uncontrollably to Ska Music.