Jenna Morgan is one of Arthur's classmates. She is 8 years old, lactose intolerant, plays badminton, helps coach soccer, received an Athlete of the Year award from Michelle Kwan. Jenna hates being the center of attention and dreaded an invitation to Muffy's slumber party because she feared kids discovering that she suffered from Nocturnal enuresis. Jenna wears a pink dress with yellow buttons.