Octo Valley(mode)

Octo Valley is Splatoon's story mode but it's also available in Brittany's lair albeit with Enemies and bosses from the Pikmin series.

Splatoon

 * Agent 3

Brittany's Lair

 * Beta Brittany
 * Alph
 * Captain Charlie
 * Squid Sisters
 * Agent 3
 * Spy
 * Pyro
 * Scout
 * Sheldon

Enemies

 * Normal:Enemies from Pikmin
 * Bold:Enemies from Pikmin 2
 * Italic:Enemies from Pikmin 3