(たちゅっち) A Tamagotchi character that retained a childish nature in adulthood. Tends to look up to others, regardless of how old they are.

Appearance: Tachutchi resembles a blue-gray seahorse with three dark blue fins along the back of its head, one frilled fin on the back of its torso, two stubby ears on top of its head, and a yellow stomach with two lines through it. It has puckered lips, circular pink cheeks, and beady eyes with two circular highlights in each. Its redesign consists of heart-shaped highlights in its eyes, hearts on its cheeks, a pouch on its stomach, and tiny wing-like fins on the sides. It also has a pastel shell on its head of several colors, including pink, purple, and blue.