Jiraiya
The Toad Sage. One of the Legendary Sannin. Toad senjutsu widens his jutsu by 20% and gives him +10% experience.
Jutsu kit
Kit jutsu show up more often on level up. Some are only learned later in the saga, as in the series.
Hair as hard as needles pierces the enemies in front of you.
The ground turns into a swamp and swallows the enemies.
A spinning sphere of chakra that explodes on the nearest enemy.
Plus every Academy jutsu: Shuriken Kunai Shadow Clone Jutsu Poisoned Senbon Paper Bomb Kunai Kunai Rain
Secret technique and evolutions

Secret technique: Toad Oil Flame Bullet

+35 health, +1 armor, +20% damage
Secret technique: Toad Duet Song
Secret techniques in action
Every form has its own secret technique, with its own effect. The strike hits every enemy around the ninja.
6 costumes: you'll find them with their conditions on the ninja's sheet, in the game. The almost-ready ones are in What to do now.
Possible combined jutsu
Fusions Jiraiya can obtain alone at the Seal Altar.
Build tips
His kit's natures: Weapons Earth Wind Fire.
Strong against
Legendaries weak to at least one kit nature: Haku, Zabuza Momochi, Orochimaru, Shukaku, Kisame Hoshigaki, Kakuzu.
Tools that boost the kit
Reach the rank of Special Jonin