List of Hokage:
(1) Hashirama Senju, (2)
Tobirama Senju, (3)
Hiruzen Sarutobi, (4) Minato Namikaze, (5) Tsunade, (6)
Kakashi Hatake, (7) Naruto Uzumaki.
Shinobi
The Sannin (伝説の三忍, Densetsu no Sannin, literally meaning: Legendary Three Ninja) are three renowned ninja from Konohagakure, hailed as the greatest of their time. (1) Tsunade, (2) Orochimaru, (3) Jiraiya.
Orochimaru (大蛇丸) is a fictional character from Naruto, a manga series created by Masashi Kishimoto. In the anime and manga, Orochimaru is a former ninja from the village of Konohagakure who is well known for his abilities. He is one of the three Legendary Sannin and a former member of the terrorist organization Akatsuki.
Jiraiya (自来也) is a fictional character in the Naruto manga and anime series created by Masashi Kishimoto. Introduced in the series' first part, he was a student of Third Hokage Hiruzen Sarutobi and one of the three "Legendary Great Three Students of the God Shinobi"—along with Orochimaru and Lady Tsunade, his former teammates. Jiraiya appears as a perverted old man who occasionally returns to the village Konohagakure, reporting the activities of Orochimaru and the organization Akatsuki. Referred to as the "Toad Sage" and "Pervy Sage", he mentors Fourth Hokage Minato Namikaze and later becomes the godfather and mentor of Minato's son.