Translation: Fire Release • Toad Oil Blaze Bullet, Fire Release • Toad Oil Flame Bullet.
Hand Seals: Snake → Ram → Monkey → Boar → Horse → Tiger.
Description: Katon • Gamayu Endan is a Ninjutsu technique of the Sannin Jiraiya utilzing the Fire Element. Done in partneship with Gamabunta, Jiraiya will stand atop Gamabunta's head and form the hand seals for a Katon no Jutsu. Gamabunta will draw oil within his gullet and then expel a jet of it. When the fire of Jiraiya's Katon hits the oil, it ignites into a huge flaming fireball.
Naruto also used a variation of this technique in conjunction with Gamabunta. Because Naruto couldn't use Katon at the time, he had to use an explosive tag to ignite the oil.
Based on: Katon no Jutsu.
Users: Jiraiya, Uzumaki Naruto,Namikaze Minato (all with Gamabunta or other toad summoning).