Pom-Pom is a medium height woman with large rabbit ears and blue eyes, she wears a full black bodysuit with a large red collared coat that conceals her arms from view, and a modified hog-head hat on top her head. She is the conductor of the Astral Express, Her personality is bratty, selfless, outgoing, and empathetic, Pom-Pom does not use pronouns, she only refers to herself as "Pom-Pom."