Gamatama

Gamatama is a tadpole from Mount Myouboku.

Manga debut: Naruto Chapter #429
Anime debut: Naruto Shippuuden Episode #162

Background:
Due to not having the combat ability to yet form a contract with shinobi, Gamatama is entrusted as a name-registration clerk on Mount Myouboku.



(Source: Narutopedia)