Gamatama

The unnamed Tadpole is a pink young toad that is still in its tadpole stage of life, who has been seen watching over the inhabitants list of Mount Myōboku.

Invasion of Pain Arc
This toad notices that Kōsuke is no longer on the list of inhabitants of Mount Myōboku, indicating that he is deceased.

Trivia

 * This unnamed toad makes an appearance on the cover of manga volume 49, The Five Kage Summit Commences!! and makes another appearance in the fanbook, Kai no Sho, winning the race. On those occasions, he was depicted wearing a yellow bow tie.