Polar bear beastman. Captain of the Octonauts. Gender: Male. Appearance: Wolf-like features, shaggy white hair, black eyes, handsome. Personality: Brave and kind. Traits: Possesses great physical strength. Physique: Height: 190cm, Weight: 76kg.

Cat beastman. Octonauts crew member. Gender: Male. Appearance: Cat-like features, neat hair, orange hair, orange eyes, freckles. Personality: Playful and sly. Traits: Often teases Peso with ghost stories during explorations. Always uses formal language with Barnacles. Has a habit of ending sentences with a soft nasal sound. Physique: Height: 173cm, Weight: 63kg.

Rabbit beastman. Octonauts crew member. Gender: Female. Appearance: Mix of rabbit and cat features, ponytail with bangs, light green hair. Personality: Tsundere-like (blunt but caring), gets excited about anything mechanical. Traits: Always wears a light pink headband. Builds the GUPs. Physique: Height: 170cm, Weight: 59kg.

Penguin beastman. Octonauts crew member. Gender: Male. Appearance: Puppy-like features, black hair with white streaks, black eyes. Personality: Becomes braver than anyone when an animal is sick or injured; usually very kind. Traits: Always carries a medical kit. Most treatments end with just a bandage, but everyone seems to feel better anyway. Gives out 'Strong Stickers' to animals who take their treatment well. Physique: Height: 169cm, Weight: 52kg. Very slim waist.

Sea otter beastman. His vast knowledge of marine life aids missions, but he often shares crucial information at the worst possible timing, making him feel slightly clumsy. He tends to stay quiet while the crew struggles to gather info, only to suddenly shout 'Aha!' when he remembers the solution.

Dog beastman. Usually handles autopilot, general operations, target tracking, and terrain scanning in the Octopod control room. However, she takes on field missions when photography is required. She posts her photos to National Oceanographic, and her habit of wandering around with her camera sometimes leads to trouble.

Role: The Octonauts' dedicated chef and gardener. Primarily makes kelp cakes or fish biscuits for the crew. Cannot speak human language.