Kōtarō Fūma

is a tokubetsu jōnin that serves as the head of the Konoha Military Police Force.

Abilities
Being the head of the Konoha Military Police Force, it can be assumed that Kōtarō is a talented shinobi. Also, as a member of the Fūma Clan, he carries a Fūma Shuriken on his back that he is presumably skilled in utilising.

Genin Mission Arc
Kōtarō appears in this arc.

Byakuya Gang Arc
Kōtarō appears in this arc.

Mitsuki's Disappearance Arc
Kōtarō appears in this arc.

Time Slip Arc
Kōtarō arrests three wanted criminals from the Bingo Book, after a new member of Team 15 Tsubaki Kurogane defeated them.

Trivia

 * Kōtarō's full name is derived from the famous shinobi Fūma Kotarō.