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The Rampaging Octowhirl
Species Great Octoweapon
Hair color
Eye color Blue/black with white/purple sclera
Location Octo Valley
Maximum HP
Other forms
This article is about the character. For the mission by the same name, see The Rampaging Octowhirl!.

The Octowhirl is one of four Great Octoweapons battled in Octo Valley.


The Octowhirl was an Octoweapon created during the Great Turf War by the Octarians. When everything seemed to be in favor for the Octarians, a plug was pulled and caused the Octowhirl and the rest of the Octarian machines to lose power. Nearly 100 years later the Octowhirl was unleashed by the power of the Zapfish to attack once again.


The Octowhirl is a giant, black, round, clam-like Octoweapon with several black spikes around its body and an antenna. It has Octarian eyes that swap between being white and purple. Its "mouth" is also filled with purple ink, and in that ink is the tentacle present on all Octoweapons.

Octo Valley

The Octowhirl trying to attack Agent 3.

When Agent 3 arrives at its Kettle in Sector 3, a Zapfish is granted to the Octowhirl. It will then attempt to spin right into Agent 3, and can only be stopped by a large puddle of ink. Once trapped in ink, the Octowhirl's tentacle is revealed and can be splatted. Each time a tentacle is splatted, the Octowhirl will scream loud enough to cause some of the panels on the floor to spin. After its tentacle has been splatted three times, the Octowhirl is defeated and explodes.


  • The Octowhirl is based on a mixture of a giant clam and a spinning top or dreidel.
  • For reasons unknown, the Octowhirl was not included in The Art of Splatoon.
  • Submerging the Octowhirl in ink is done similarly to Octoballs, with the only difference being the amount of ink needed.
  • There is a glitch where the Octowhirl's tentacle will remain outside of its shell.
  • The Octowhirl is the only Octoweapon that does not lose track of Agent 3 when they hide in ink. It will not attack them, however.
    • This is evidenced by the fact that the Octowhirl's eyes will still follow Agent 3 when they are submerged.
  • The Octowhirl is the only boss to not change anything about itself between phases. Instead, it changes the arena it is fought on.
  • The lights on the Octowhirl's arena flash whenever the boss hits the ground while preparing to attack.
  • The Octowhirl is very similar to the Pinging Marciale from Splatoon 3's Side Order regarding its appearance and attacks.


Names in other languages

Language Name Meaning
Japan Japanese タコツボール
Octopus-Pot Ball
France French (NOE) Tentaculbute From "Tentacule" ("Tentacle") and "culbute" ("tumble")
Germany German Oktovolver Octovolver
Italy Italian Bivalvus il subacqueo Bivalvus the underwater
Mexico Spanish (NOA) El mortífero Trompobot The Lethal Spinbot
Spain Spanish (NOE) Octorbellino Octowhirl