NOTE:These are the clans currently available to members, more may be added through time. Also, if you were given permission from an admin to make your own custom clan, make sure you give that clan a kekke genkai, and we will add it to the list, if it has been approved.
The Senju Clan
Kekke Genkai: Unknown, they tend to be capable of mastering all 3 different styles of combat, Ninjutsu, Genjutsu and Taijutsu. 1 out of 50 of these clan members are capable of wood release. It's easier for these clans men/women to master their nature of chakra.
The Uchiha Clan
Kekke Genkai: Primarily the Sharingan. This sharingan starts at 1 tomoe, and is capable of becoming 3, adding ability to your characters personal Sharingan. Once you sacrifice and/or lose someone close to you, or people close to you, perhaps everything, this Sharingan evolves into your characters individual Mangekyou Sharingan... A powerful Doujutsu.
The Yuukah Clan
Kekke Genkai: The ability to use ice release, which are ice jutsu, only this clan is capable of doing so.
The Nara Clan:
Kekke Genkai: The Nara Clan, is capable of controlling shadows, and trapping others within them... They usually add-on further techniques to enhance this.
The Akimichi Clan
Kekke Genkai: They are capable of altering their size and weight, they also tend to us special pills which enable enhanced combat, as well as a totally new form, usually a skinnier form. These pills enhance strength, speed, ect... (Soldier Pills, supposedly...)
The Kurama Clan:
Kekke Genkai: Mastery of Genjutsu, even at a young age, although unconrollable younglings can easily master, and usually surpass others, although without training this kekke genkai is futile, they also have the capability to bring their Genjutsu to life, which makes them even more of a danger... Actually being able to annihilate someone through an illusion.
The Yamanaka Clan
Kekke Genkai: The power to get into someones mind and control them. If they are to kill the form they take control of, it kills them as well, and also, when they use it, their actual bodies faint, and are unconscious in general.
The Inuzuka Clan:
Kekke Genkai: The ability to communicate with animals, and they all have heightened senses. Their strongest bonds are with dogs and wolves, being capable of actually becoming one, and modifying their ultimate power. They are also very fast, and sometimes dog/wolf-like when they move, and attack others.
The Hyuuga Clan:
Kekke Genkai: The Byakugan, or the all-seeing eye, with only one weak point at the corner of the eye. When activated, they can see their enemies chakra points, as well as see through things, and see chakra's form. By hitting these chakra points hard, and gracefully usually, it can utterly paralyze the foe, and even kill him/her if at his/her vitals.
The Ande Clan:
Kekke Genkai: The Crystal Release, of their chakra. Gives Ande clan members the ability to use Crystal style jutsu, using shards and minerals to their advantage. These crystals used from chakra, are highly strong in defense, and are very penetrating. Known to crystallize many things. Also capable of using 'crystal' clones.
The Ponpo Clan:
Kekke Genkai: The ability to bend sand to its will, in rare cases, this Ninja is also capable of using alot more powerful sand, known as iron sand, which is alot harder, and deadlier. Alot of Ponpo clan members are also known to be puppet masters, but, others aren't.
The Aburame Clan:
Kekke Genkai: The ability to use powerful bugs, which can variate, some could even be poisonous. These bugs come from the users own chakra, and if there are many of them they can be excellent trackers, as well as annihilators, they may evolve through time and experience as well.