Cora Stewart

Cora Stewart is a  supporting character in Monster Kid and Monster Kid: Master of Monsters as well as a major character in Monster Kid: Evolution and Return of Monster Kid. She is the fifth child of Dr. Harold and Mary Stewart, and the younger sister of Megan Stewart, Max, Dennis and Daisy. She made her first appearance in Monster Kid vs. Zero.

Monster Kid
As a baby, Cora was a small child with black hair and blue eyes.

Max Stewart
Max is on one of Cora's older brothers.

Trivia

 * Cora likes to dance.