Moshi Akiko - Centipede Clan Champion

Gusai Yasurugi - Mantis Clan Champion

Gusai Yuuno - Player Character

Suzume Akito - Sparrow Clan Champion

Heichi Shizugai - Boar Clan Champion.  Ascended to the Championship after his father was killed in a duel with Matsu Dainoku.  Witnessed the death of Mirumoto Chorude.

Kitsune Kurigama - Fox Clan Champion

Kitsune Hizanage - Fox Clan Bushi

Kumo - mountain sized demon sea spider.  Because it's funny.  Also just because ᄽὁȍ ̪ őὀᄿ

Nanako - Eleven year old girl in the custody of Crane Clan Champion, Doji Tanaka.  Rumor has a lot of things to say such as that she's Tanaka's illegitimate daughter or even a secret scion of the Hantei.

Swords - blades with names.