Splatoon Raiders NPCs
The Mechanic
Player character -- an Inkling or Octoling (player's choice) who pilots the helicopter and leads the treasure hunt across the Spirhalite Islands.
Shiver
Deep Cut member -- runs Gadget Development at the Hideout Ship, unlocking extra gadgets for your preferred Tank. Initially cautious and hostile toward the Mechanic, warming up as the story progresses.
Voice: Anna Sato (presumed to return from Splatoon 3, not separately confirmed for this game)
Frye
Deep Cut member -- runs the Weapon Shack, letting you upgrade weapons or scrap old ones for materials. Energetic and eager to help; her family's culture becomes a real plot thread as the story unfolds.
Voice: Laura Yokozawa (presumed to return from Splatoon 3, not separately confirmed for this game)
Big Man
Deep Cut member -- the group's laid-back voice of reason, helping manage the Hideout Ship.
Voice: Unconfirmed (unknown even for prior Splatoon games)