Chup is a black-haired guy with black eyes in dark blue sweater, he is very brave, smart and serious, but at the same time he is kind, not at all averse to having fun and finding adventures, Ket’s best friend. Ket is blond with bright blue eyes in pale green sweater, he is rather stupid but very funny, he likes to have fun and do all sorts of things, he is kind, timid and rather naive, Chup's best friend.