Ones that are dead don't count..
Madara Uchiha
Reason: Has the ability to control demons with his Eternal Mangekyou Sharingan, Has been alive since the creation of Konoha, True leader of Akatsuki.
Killer Bee (Favorite character)
Reason:
Was able to hold of all of Team Sasuke, Show'd the ability to transform into his tailed beast, Managed to trick the sharingan, and escape.
Naruto Uzumaki
Reason:
Defeated Pein, has the Kyuubi inside him, can utilize Sage mode to it's full potential, his father was the Yondaime, Trained by Jiraiya.
Pein (Pain)
Reason:
Has the Rinnegan, Uses the Six Path's of Pain to it's full potential, Can revive other's at the cost of his life.
Salamander Hanzo,
Reason:
Deceased Leader of Amegakure, Defeated Jiraiya, Orochimaru, and Tsunade, then named them the 'Sannin' (The Three Legendary Ninja), Has the Salamander Summoning Contract.
Madara Uchiha
Reason: Has the ability to control demons with his Eternal Mangekyou Sharingan, Has been alive since the creation of Konoha, True leader of Akatsuki.
Killer Bee (Favorite character)
Reason:
Was able to hold of all of Team Sasuke, Show'd the ability to transform into his tailed beast, Managed to trick the sharingan, and escape.
Naruto Uzumaki
Reason:
Defeated Pein, has the Kyuubi inside him, can utilize Sage mode to it's full potential, his father was the Yondaime, Trained by Jiraiya.
Pein (Pain)
Reason:
Has the Rinnegan, Uses the Six Path's of Pain to it's full potential, Can revive other's at the cost of his life.
Salamander Hanzo,
Reason:
Deceased Leader of Amegakure, Defeated Jiraiya, Orochimaru, and Tsunade, then named them the 'Sannin' (The Three Legendary Ninja), Has the Salamander Summoning Contract.