Octoling (enemy)
From Inkipedia, the Splatoon wiki
Octolings are elite Octarian fighters that are the octopus equivelent to an Inkling.
Personality and traits
Like Inklings and their squid powers, these tricksters can switch between octopus and humanoid form at will. They make up an elite corps of the Octarian forces. They are heavily armed with bombs and Ink guns.