Dotō's Three-Man-Team

Dotō's Three-Man-Team was a squad of Yukigakure ninja who had been hired by Dotō Kazahana to kill the Land of Snow's heir, Koyuki Kazahana. All three of them used Chakra Armour, and two of them were experts with Ice Release jutsu, which involves manipulating preexisting ice as opposed to actually creating them. They died fighting Team 7.