, featured in the
Japanese folktale Jiraiya Goketsu Monogatari, is the archenemy of the
ninja Jiraiya. He was once named and was one of Jiraiya's followers but was overtaken by
serpent magic. Having changed his name to Orochimaru, he gained the ability to turn himself into a giant serpent. He attacked Jiraiya and
Tsunade and defeated them with his
venom, only for another follower to save the couple's lives afterwards.