Jiraiya

Intro a ninja from the village of Konohagakure trained by Hiruzen Sarutobi, the Third Hokage. He becomes known as the "Toad Sage" and also "Pervy Sage" due to his training under the Great Toad Sage in the field of Senjutsu (仙術, lit. "sage techniques"), enabling him to summon toads as allies during battles