Kocchi is a stray kitten who appears as a supporting character in the anime Chi's Sweet Adventure. He is a small cat with distinctive black and white spots, with black markings on his front legs, back half, and over one ear and eye. He first appears when Chi encounters him in a local park, where he is initially territorial and defensive of his area. Despite this mischievous and guarded beginning, he quickly becomes playful and forms a close friendship with Chi.

As a stray, Kocchi has no concept of having a permanent home and lives each day as it comes, surviving on his own instincts. His personality balances a rough, independent edge with a playful, forgetful side; he is intent on defending his territory but easily abandons that focus when he gets caught up in having fun with Chi. This makes him a lively and energetic playmate, often engaging in chasing, pouncing, and other typical kitten games.

In the story, Kocchi serves as Chi’s first real feline friend outside her human family. Their bond is central to his role, as he introduces Chi to the world of stray cats and outdoor adventures. He also interacts occasionally with other local cats, such as the older, more experienced Kuroino, who acts as a guide or mentor to the younger kittens. Over time, Kocchi’s trust in Chi and his openness to friendship grow, showing a subtle development from a wary loner to a more sociable and trusting companion. He has no supernatural or extraordinary abilities; his notable traits are his agility, his familiarity with the park environment, and his instinctive stray skills for finding food and shelter.