a big list of suggestions:
Original jutsus(as far as i know)
All direction shuriken - Naruto http://naruto.wikia.com/wiki/All_Directions_Shuriken
Multiple connecting punches - Sakon/Ukon http://naruto.wikia.com/wiki/Multiple_Connecting_Punches
Iron Body - Kakuzu http://naruto.wikia.com/wiki/Iron_Body
Chiyo's Resurrection Technique(unamed) - Chiyo http://naruto.wikia.com/wiki/Chiyo%27s_Resurrection_Technique_%28unnamed%29
Drunken Fist - Lee http://naruto.wikia.com/wiki/Drunken_Fist
Clans:
You should add different clan types E.G sharingan types + Hyuuga branches
also Medical types, shizune, sakura and tsunade, possibly chiyo.
Sound 5 clans
Sound Genin(Dosu, Rin, and the other guy)
Kakuzu Clan
Villages:
You could add the Small Villages like tea, as not many games has these.
this would also include otafuku, though not well known, it has relevant importance in the storyline
see narutopedia page: http://naruto.wikia.com/wiki/Otafuku
Demons:
You could add CS types eg earth heaven hell and mizuki's Animal
Also you should add eight tails etc, as eight tails was recently realesed in the manga, as cloud's second Bijuu, a giant bull with tentacles.