Gamatama

The Unnamed Tadpole is a young toad that is used as a messenger between Konohagakure and Myōbokuzan.

Pain Invasion arc
This toad notices that Kōsuke name is no longer on the list of inhabitants of Myōbokuzan, indiciating that he is deceased. Soon afterward this toad makes its way through the "puddle" to Konoha.

Trivia

 * This unnamed Toad makes an appearance on the cover of manga volume 48, The Gokage Summit Commences!!.