Kokuhō Family ; : . The main character and a practitioner of Cha Genmai Style
Karate. ; : Kenichi's little sister who often acts as his
straight man. ; : a.k.a. . The head of the Kokuhō family and a potted plant artisan. ; : Kenichi's little brother. ; : The young girl who lived as Kenichi's sister in the mountains. ; : The old man who found and raised Kenichi and taught him karate. ; : Kenichi's
wolf companion from the mountains. He becomes the Kokuhō family pet. His face looks more like a
cat face.
Classmates ; : A school delinquent and third generation
yakuza of the Hidou
Boryokudan Group. He is always depicted with his mouth open in an evil smile. He likes Yukie. ; : Yukie's best friend. ; : A half-
Japanese and half-
Filipino boy who is highly influenced by American culture and is always wearing flashy outfits. ; ; ; :A pompous student who presents himself as chivalrous and tries to impress girls. ; :An American transfer student who is very fascinated by Japanese culture.
Teachers ; ;
Animals ; : a.k.a. .
Others ;Narrator ==Video game==