Jiraiya's main role in Naruto is as a teacher. He trains Minato Namikaze, one of the greatest Shinobi to ever live, the three Ame orphans, Nagato, Konan, and Yahiko and, most importantly ...

For simplicity, we’re sticking to the original Naruto series ... power-ups in the series. Konan is one of the three Amegakure orphans—alongside Yahiko and Nagato—who trained under Jiraiya.

Only a few Naruto characters are immune to taijutsu ... rendering him almost invincible. Suigetsu Hozuki and Konan are also immune to taijutsu attacks due to their water and paper transformations.