Gamahiro

is the most skilled and the second most powerful toad, and wielding two large katanas, he is known mostly as "Watch Tower Destroyer" and "Yataikusushi". He can wield some powerful skills, but his true talent is in swordplay. He speaks but only when not in combat, when he does fight, he typically doesn't say a word. Gamasushi is most known for battling alongside his summoner, with great skill and execution.

Konoha Invasion Arc
He first appeared in the attack on the Hidden Leaf Village by the Sand Village when Jiraiya used him to fight Orochimaru's large snakes that were destroying the village by using Summoning: Bring Down the House!.

Post Sasuke Retrieval Arc
He was summoned by Jiraiya to help Sasame Fuma, Sakura Haruno, and Naruto Uzumaki get out of Orochimaru's hideout.

Invasion of Pain
He was again summoned, this time by Shima during Pain's invasion of Konoha.

Abilties
He is rarely shown in combat but he is shown to be very skilled usings his swords and it is possible that he is capable of using some amount of ninjutsu. He is comparable in size to Gamabunta which could indicate that he is very powerful.