One more batch of characters for you.
Hidan(s) is a member of Akatsuki and a worshiper of the obscure god Jashin. He is apparently immortal and has perhaps the foulest mouth of the entire criminal organization.
A missing-nin of mysterious talents and a member of Akatsuki, Kakuzu(s) is certainly older than he appears. He seems to only be concerned with money and the bounties which provide him with it.
Yamanaka Ino (S)
Not one to be left behind, Ino has trained non-stop to improve her abilities and teamwork. With her improved techniques, Ino can not only control her enemies, but her allies too all while seeing everything on the battlefield.
Akimichi Chouji (S)
After nearly three years, Chouji has developed in both strength and size, mastering the Akimichi clan techniques. No longer does Chouji need the Akimichi pills to tap into his true strength, instead, he merely needs to control his chakra and become a force to reckon with.
Nara Shikamaru (S)
Once known to be one of the laziest ninja, Shikamaru has worked tireless to become not only stronger, but a leader too. More than ever before, Shikamaru excels at coming up with long winded and convoluted plans meant to defeat any enemies in his path.
Sarutobi Asuma (S)
Somehow continuing to avoid lung cancer, Asuma has remained the leader of Team 10 through the years. With the secret techniques of the fire temple, Asuma is able to attack and defend while waiting for the opportune moment to slice some heads off.
A Konoha jounin assigned to hunt down members of Akatsuki, Aoba while reserved in public, is more than willing to boast and brag in private. While a man of many talents, Aoba specializes in genjutsu that takes on the form of crows, being able to use them for all manner of purposes.
Izumo and Kotetsu
A pair of Konoha chuunin assigned to hunt down members of Akatsuki, Izumo and Kotetsu are close friends, and great teammates. While individually not as strong as many others, Izumo and Kotetsu have a single advantage few others have: there are two of them.
Uchiha Sasuke (S)
Uchiha Sasuke (S) has spent the last 2 years training under Orochimaru. He is now an expert swordsman and has immensely developed his lightning element techniques. His demeanor has also grown very cold and he is one of the most dangerous individuals in the ninja world.
Hozuki Suigetsu (S)
Hozuki Suigetsu (S) is a native of Kirigakure who was once a captive of Orochimaru. He is a dangerous individual with unique abilities and now follows Uchiha Sasuke.
Karin (S) is a former subordinate of Orochimaru who oversaw one of his secret laboratories. She is a skilled sensor and master of chakra control who now follows Uchiha Sasuke.
Juugo (S) is the origin of the cursed seal and now follows Sasuke. He can either be a calm natured person or a psychotic lunatic.
Yakushi Kabuto (S)
Kabuto(s) is the loyal servant of Orochimaru and is a very dangerous missing-nin. He is a calculating individual who is both accomplished at combat and healing.
Jiraiya (S) is one of the legendary Sannin that were trained by the third Hokage. Also known as the toad sage, he has been Uzumaki Naruto's teacher for the past few years.
Nii Yugito (S)
A kunoichi from Kumogakure, Nii Yugito holds within her the two-tailed beast. She has full control over the bijuu Nibi, and is able to transform into it and use its powers to fight.
Konan (S) is a member of Akatsuki and a master of origami ninjutsu, earning her the title God's Angel in Amegakure. Able to turn her body into thick sheets of paper, she is capable of multiple forms of attack.
Uchiha Itachi (S)
Uchiha Itachi (S) is a member of Akatsuki, and the brother of Uchiha Sasuke. He has mastered the sharingan completely.
Animal Path Pein (S)
Animal Path Pein (S) is one of the six paths of Pein. This Path is able to summon a variety of different beasts for different purposes.