Coco Chocolate is a member of the Chocolate Rabbit Family living in Sylvanian Village. He is the son of Frasier and Teri Chocolate and brother to Freya Chocolate. Coco possesses a consistently cheerful disposition, often lifting the spirits of others with his jokes and lighthearted behavior. His notable athletic ability shines in football, where he demonstrates skill by kicking the ball farther than other children.

Academically, he faces challenges specifically during mathematics class, becoming noticeably quiet and withdrawn in contrast to his usual sociable nature, stemming from self-awareness of his difficulties with the subject. His personality includes a playful teasing side, evident when he jokes about his family getting lost on a mystery trip and having to sleep in the car.

Exploration and adventure spark his enthusiasm. During a family visit to an old log cabin, identified as the first house built in Sylvania, his curiosity drives him to discover a loft. He actively encourages his sister Freya to join him in investigating this space, where he finds names carved into the wooden beams. Inspired, he retrieves an old kitchen knife to add their own names alongside the historical carvings, viewing it as embedding themselves into Sylvanian heritage. This impulsive act transitions into shared remorse with Freya upon learning the cabin's significant historical status, though they later discover their actions unintentionally align with a longstanding tradition among village children visiting for the first time.