- Name- Summoning Technique: Dolphin
- Type- Ninjutsu; Water Release; Supplementary
- Hand Seals- Boar, Dog, Bird, Monkey, Ram
- User- Sekidou Kaitenjiku
Only after forming a blood contract, the user can summon a larger than normal dolphin. Sekidou's personal summon, named Iruka, is one of the strongest Dolphins and has a human mind. They are skilled in water ninjutsu and fast in the water. By using the Water Release: Water Cannon Replica technique, the summoning can move freely throughout land. If it is out of water for longer than 2 minutes at most it will Reverse Summon.