Udon

Udon is a jonin-level shinobi of Konohagakure and a former member of Twelve Guardian Shinobi of Land of Fire.

Summoning Jutsu
Mechanical Armour

Taijutsu
Rocket Bunker

Conspiracy in Konoha Arc

 * Jinmu Kurosaki vs. Moegi, Udon, & Kaname Tosen
 * Conspiracy Revealed