Turquoise October

Turquoise October, or OCTOTOOL, is a band in. They are not seen or referred to in-game, only credited on Splatune for their music. They may be Octotroopers, as suggested in their album art.

Songs
Turquoise October's songs include much of the music in Octo Valley.

Songs include:
 * [[Media:Single Player Mission Theme 1.ogg|Eight-Legged Advance]]
 * [[Media:Single Player Mission Theme 2.ogg|Tentacular Circus]]
 * [[Media:Single Player Mission Theme 3.ogg|Cephaloparade]]
 * [[Media:Single Player Mission Theme 4 - UFO Sighting.ogg|Inkstrike Shuffle / Tornado Shuffle ]]
 * [[Media:Single Player Mission Theme 5 - Octoling Invasion.ogg|Octoling Rendezvous / Tacozones Rendezvous]]
 * [[Media:Great Octoweapon Battle (Third Phase).ogg|Octoweaponry]]

Trivia

 * Turquoise October is the second band in Splatoon to have their name changed for localization, after Chirpy Chips.