Gamagorō

is a giant toad that resides on Mount Myōboku.

Personality
Gamagorō is pleasant and respectful, using honorifics when referring to his summoner, and even going as far as to pledge to go anywhere Konohamaru wanted.

Appearance
Gamagorō is a huge purple toad with a lighter shade of purple on his underside. He also has red markings around his eyes.

Academy Entrance Arc
Gamagorō is summoned by Konohamaru to display the use of the Summoning Technique to Academy students. After the demonstration, he is de-summoned.