The cast consists of Professor Pikachu, who has incredible hearing, being able to not only hear any sound, but who made it too. Annabelle, who has poor vision and low attention span. She always looks for a person to play jump rope with. Principal Dixon. Who will put you in detention for breaking any rules. Martha. Who is shy and gets jealous when she sees someone with more notebooks than her. And Dr. Alfonso, who does a reflex test to diagnose students.