Jiraya

Jiraiya (自来也) was one of the legendary Sannin or along with Tsunade and Orochimaru, who was trained by the Third Hokage. He was a self-proclaimed super-pervert or and wrote a popular adult book series called Icha Icha, a favorite of Kakashi Hatake. He was also known as the Toad Sage (蝦蟇仙人or Gama Sennin)or because of his signature toad summonings. He was the Fourth Hokage's teacher. He then became Naruto Uzumaki's teacher. Jiraiya had the kanji for "oil" on his forehead protector.

Hatake KaKaShi

Kakashi Hatake (はたけ　カカシ or Hatake Kakashi?) is a fictional character in the Naruto manga and anime series created by Masashi Kishimoto. Kishimoto originally planned to introduce Kakashi in the manga to the series' titular character, Naruto Uzumaki, early on, but pushed back this meeting so that Naruto's teammates could be better developed.
In the story, Kakashi is the leader and teacher of Team 7, consisting of the series' primary characters, Sasuke Uchiha, Sakura Haruno, and Naruto Uzumaki. He is initially portrayed as a detached and apathetic figure, but as the series progresses, his loyalty to his friends and students becomes increasingly apparent. Kakashi's past has been extensively explored in the series, resulting in a gaiden being devoted to his past experiences.

Sakura History

Sakura Haruno (春野サクラ, Haruno Sakura) is a main character in the series Naruto. She is a ninja; a Chunin-level kunoichi of Konohagakure, a Medical-nin, and a member of Team Kakashi. She is strange and full power,
she is priess of team and Naruto like her too. She learn Subject Ninja from Tsunade(Fifth Hokage).

Sasuke History

Sasuke Uchiha (うちはサスケ, Uchiha Sasuke) is a main character in Naruto series.
He is currently a major antagonist in the series. He has Sharingan is bloods of Uchiha.
Those he popula in academic ninja

Naruto History

Naruto Uzumaki (うずまきナルト or Uzumaki Naruto) Naruto is the main character of the Naruto series.
Although he is only a Genin of Konohagakure, he is trained as a sage and thus is one of the village's most powerful ninja.
"Hokage" Dream's his. He is a member of Team Kakashi(Uzumaki Naruto,Uchiha Sasuke,Haruno Sakura,Hatake kakashi), and the jinchūriki of the Nine-Tailed Demon Fox.