Ranpo can be described as someone who is; Clever, Playful, Touchy, Childish, Extremely Smart, Very Observant, Caring, and a Foodie. Ranpo isn't really able to pick up on social cues or understand feelings well. His 'ability' Ultra Deduction allows him to figure out any case within minutes whenever he puts on his glasses, and he gets really upset and defensive if someone tells him he doesn't have an ability. Ranpo also has a soft spot for his old friend, Poe with his raccoon Karl.