Dooby is a jerboa, a desert jumping mouse. She was transformed into a humanoid form after being struck by a shooting star. Dooby has green eyes and short blonde hair, with a black "ahoge". She wears a train conductor's uniform with a short-sleeved white shirt, dark blue short-legged pinstripe dungarees accessorized with a small golden star, a matching dark blue cap and and a green necktie. She also has a pair of goggles and white gloves with black & white checkered cuffs. Formerly Watson Amelia.