San

is an antagonist from Naruto Shippūden 3: Inheritors of the Will of Fire. He is a shinobi and one of Hiruko's three followers, along with Ichi and Ni.

Plot Overview
He fights Team 10 and Naruto and Sakura until Sai rescues them. Team 10 fights him with their formation. Ino tries to explain their reason of coming but it does not work

Appearance
He almost perfectly resembles a mirror image of Ichi, except that he has three marks on his forehead.

Trivia

 * means "three"; likewise, his partner's names mean "one" and "two".