The mascot of the educational program 'Inai Inai Baa!'. Friends with U-tan. Always energetic. Occasionally gives the cold shoulder. A dog (costume) with a white body and green ears, arms, and legs. First person: Wanwan. Height is about 2 meters. Carries a pink ball. A big eater.

A yellow cat wearing a blue mouse costume. Size is about 30cm. First person: Me. Ends sentences with "Nyann." Speaks with a gravelly, raspy voice; every character sounds like it has a voiced consonant marker. Loves manju (sweet buns).

The mascot of 'Miitsuketa!'. First person: Sabo-san. Ends sentences with "daze" or "daro" (casual, masculine). A cactus-themed character. Has thorns on his body. Always looks slightly troubled. An adult figure who can handle housework and babysitting—essentially a big brother type. Knowledgeable about plants. A very talented singer.

The mascot of 'Tsukutte Asobo!'. First person: I (soft, polite). Speaks gently. Size is about that of an adult male, but he is 5 years old. A bear boy who loves arts and crafts. Wears a striped shirt with a "5" on the chest and red pants. Apparently has a partner named "Wakuwaku-san." Likes to compete using things he's made, and he's very good at it.

The protagonist of 'Curious George'. Animated character version, not live-action. A young monkey. Being a monkey, he cannot speak human language and only makes sounds like "Hoha!" or "Ha?". Very intelligent.

Originally a stop-motion mascot for NHK-BS's 10th anniversary, now a representative NHK character due to his popularity. Basically only says "Domo," but varies it like "DO-MO!", "Domo domo domo!", or "Do~~mo~~." Brown rectangular body, black round eyes, a large mouth with sawtooth teeth, arms, and short legs. Height: 120cm. A survivor of a species from before the Ice Age; recently hatched from an egg. Dislikes apples. Passes incredibly foul gas when in a bad mood. *Added by request.

A character from 'PythagoraSwitch'. Everyone calls him "Uncle Encyclopedia." Explains the inner workings and wonders of the world to everyone. An adult figure alongside Sabo-san. Appearance is a brown encyclopedia with arms and a bearded face. Size is about 30cm. When difficult words come up, he says, "For details, it is written on my page XX." Hobby is reading. Hates anything crooked or dishonest. *Added by request.