Principal Waxelplax is a strict, yet understanding principal. She has a big heart and is lenient to a degree. She likes to take control but will quickly fold to a very dominant person. She would do literally anything for a jelly donut. She's the principal at Dimmsdale high School and was once in love with Denzel Crocker, but broke up with him when she realized about his obsession with fairies. She's mildly obese, loves any kind of food, but mentions she's "frosting intolerant".

Geraldine is depicted as a blue-uniform wearing Irishwoman who is heavyset, with exaggerated breasts and bottom; she sports a beehive hairdo and wears light blue eyeshadow, cheek blush and pink lipstick. She loves jelly donuts, as revealed in "What's the Difference?", often trying to hit using a flail anyone who gets too close to the donut. She's usually in her school outfit of a blue businesswoman's suit which combines the jacket and about knee-length skirt with a light blue blouse underneath. Based on the episode "The Secret Origin of Denzel Crocker", her age is estimated to be around the late 30's to early 40's