Nitle Clan

The Nitle Clan is a clan within Konoha.

Background
The Nitle Clan was known as a warring clan for generations, and would attack just about any clan who opposed them. Because of that they developed traits to help identify them from their enemies.

They have warred with some of the most powerful clans from Konohagakure before the start of the hidden village. The warred against the Uchiha, Senju, Hyuuga, and Sarutobi.

Some time before the start of Konoha they stopped fighting when a new leader took over.

Characteristics
Since the clan always fought against other people they had to develop several ways to identify them from enemies, including developing a certain eyes, one eye that is completely dark purple and another with a a black pupil with two black rings around it, with a dark purple background. They also developed a unique chakra structure that can't be copied, albeit with absorption techniques.

They also have green to greenish tint hair. No other special characteristics are known.

Abilities
The Nitle clan possess no Kekkei Genkai's. They do have a few Hiden's though. One being the Body Displacement Technique which allows them to stretch their limbs far distances. No other Hiden's are known at the moment.

They can also cast a genjutsu on their enemies by flowing their chakra in them.

They are also very strong physically, and also with ninjutsu.