Onbaa



Onbaa is a cat/sloth/bear/monkey-like animal who Jiraiya had encountered during his journey into the forest surrounding the Hidden Leaf as a child, and later wrote a story about it. Tsunade thought Jiraiya was lying as ususal, until she saw one herself

A newborn Onbaa is abducted by a hawk. Naruto Uzumaki scares the hawk, causing it to drop the newborn Onbaa on Naruto's back. Having mistaken Naruto for his mother, it clings to his back.

It first became known to Naruto when its little arms ended up grabbing Sakura Haruno's breasts. She attacked Naruto in retaliation until she realized that Naruto doesn't have arms growing out of his armpits. Kiba Inuzuka attempted to remove it. It was then that they realized it was impossible to get off. At Tsunade's office, she made a reference to Jiraiya having encountered an Onbaa. The tale was so gruesome, that Shizune was frightened.

The village then learns of the Onbaa attached to Naruto, and they think of it as a nuisance. Rock Lee believes Naruto is trying to show him up, so Lee puts on a backpack filled with weights to match Naruto. Whenever Hinata Hyūga sees the Onbaa, she faints. Naruto names the creature after the sound it makes, which is "Onbu". Onbu becomes obsessed with the red swirl on Naruto's back and will only eat fish cakes that bear a red swirl similar to Naruto's.

Naruto is given a mission by Tsunade. He is to go defeat some bandits that have taken over a fortress. After Naruto leaves, Tsunade admits to Shizune that she actually sent Naruto on the mission in the hopes that the Onbaa would somehow be dislodged from his back. During the time it took for Naruto to reach the fortress, the Onbaa slowly matures. Halfway back to the village, the Onbaa has completley grown up, towering over Naruto. As the village nears sight, a deathly roar is heard throughout the forest. Onbu's mother has found her, and she wants her back. When the mother gets close enough, she swipes at Naruto, causing Onbu to be finally thrown from Naruto's back.

When separated from Naruto's back, Onbu matures into a violent adult that attempts to kill Naruto. After Naruto reminds Onbu of the great times they shared, Onbu snaps out of the trance and blocks his mother's deathblow to Naruto. Onbu then carries an unconscious Naruto back to the village. Before traveling out of sight, Naruto wishes Onbu luck with his mother.

Soon after Onbu leaves the village, the entire population of Konohagakure is mistaken as the mothers of countless infant Onbaas dropped into the village by hawks. Tsunade begs Naruto to tell her how he removed Onbu from his back. Naruto joked that she should have a sumo match with it like Jiraiya did, thus angering her even further.

Trivia

 * Onbaa is the species name, Onbu is the name Naruto gave the infant creature.