Gamagorou
ガマ五郎
About
Gamagorou is a giant toad that resides on Mount Myouboku.
Anime debut: Boruto Episode #4
Light Novel debut: The New Leaves Soaring Through the Blue Sky!
(Source: Narutopedia)
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Gamagorou is summoned by Konohamaru to display the use of the Summoning Technique to Academy students. After the demonstration, he is de-summoned.

