Ahiko

was a prisoner at Orochimaru's Northern Hideout.

Appearance
He received a cursed seal in the course of Orochimaru's experiments. When active, the seal gives him two large flap-like protrusions on both sides of his face, imitating that of the frill necked lizard also gaining some visible features of said lizard.

Abilities
He is a ferocious fighter because of his violent temper.

Itachi Pursuit Arc
When Sasuke Uchiha, Karin and Suigetsu Hōzuki arrive at the Northern Hideout, Ahiko is one of the prisoners that greet them at the entrance in their Cursed Seal Level 2 forms. He is defeated by Hebi posing no challenge for Sasuke and Suigetsu.