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Agent 8 is the main protagonist of the Splatoon 2 DLC pack, Splatoon 2: Octo Expansion. They are Octolings but with a more heroic trait, due to them rebelling against the Octarians after the events of the first Splatoon.


While they are silent, they do the best they can to regain the memories they have lost, and show notable acts of heroism, such as saving Inkopolis from total destruction by Commander Tartar.


Agent 8 was originally an Octoling soldier, but had a change of heart when Calamari Inkantation was playing during the fight of Agent 3 and DJ Octavio. This made Agent 8 quit the Octarians, just like Marina. At Octo Valley, Agent 8 encountered Cap'n Cuttlefish and Agent 3. Agents 3 and 8 fought together, until they were attacked by "someone" and thus were knocked into the Deepsea Metro. Agent 8 lost their memories from the injuries they suffered during the fall through the ceiling and soon, Agent 8 became a test subject of the metro. According to Marina, Octolings that hear the song become disgusted with Octarian society and choose to strike out on their own.

After passing many tests, Agent 8 and Cuttlefish were greeted by Commander Tartar. Tartar then asks Agent 8 if they want to go to "the promised land". Agent 8 agrees, only to find out that it was a trap and all of a sudden, he/she and Cuttlefish are stuck in a blender and Tartar attempts to turn them into a smoothie. Marina tries to hack the blender, but fails. Luckily, Agent 3, recovered, rescues Agent 8 and Cuttlefish. Agent 3 gets knocked out again, but Agent 8 and Cuttlefish thank Agent 3. Agent 8 then super jumps into the upper part of the Deepsea Metro. After going through the stations in the upper area, Agent 8 soon faces off a corrupted Agent 3-Inner Agent 3, a sanitized Agent 3. Agent 8 fights Agent 3 and after a long battle, Agent 3 is defeated and brought back to normal.

Agent 8, Agent 3 and Cap'n Cuttlefish are next seen leaving the Deepsea Metro. Pearl and Marina appear and offer the three a ride to Inkopolis. After Pearl and Cuttlefish are done rapping, a statue that bears a resemblance to the Statue of Liberty rises from the ocean. Commander Tartar appears, and reveals his plans to wipe out Inkopolis. Following Marina's plans, Agent 8 goes to cover the statue up with ink. When the statue was completely inked, Pearl did the final blow by using a Killer Wail powered by her own voice. Soon, Tartar was stopped and Inkopolis was saved, thus allowing Agent 8 to get into the "promised land".



  • Agent 8 is confirmed to be female in canon, along with all the other agents.
  • Although their name is Agent 8, it is uncertain whether or not they are an official member of the New Squidbeak Splatoon. They were given the name because Cap'n Cuttlefish thought it was easier than having to say No. 10,008 all the time.
    • However, it is speculated by fans that they're a member.
  • If the player is playing as the Octoling and they zoom in on Off the Hook at the window for long enough, Marina will wave at them and Pearl will smile, recognizing that they were the Octoling that was trapped in the Deep Sea Metro.


           Nintendo All-Star Heroes

Super Mario Bros. franchise
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Wario series
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Donkey Kong franchise
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The Legend of Zelda franchise
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Metroid franchise
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Kid Icarus series
Pit | Palutena | Dark Pit | Magnus | Viridi | Phosphora

Star Fox franchise
Fox McCloud | Falco Lombardi | Slippy Toad | Peppy Hare | Krystal | James McCloud | ROB 64 | Dash Bowman

Fire Emblem franchise
Anna | Marth | Tiki | Celica | Roy | Lyndis | Hector | Ike | Chrom | Robin | Lucina | Owain | Corrin | Azura | Takumi | Camilla | Byleth

Kirby franchise
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Pokémon franchise
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Retro series
Sheriff | Tamagon | Bubbles | Ice Climbers | Little Mac | Duck Hunt | R.O.B. | Mr. Game and Watch | Sukapon | Takamaru

Earthbound/MOTHER series
Ninten | Ana | Loid | Queen Mary | Ness | Paula Jones | Jeff Andonuts | Poo | Lucas | Claus | Flint | Hinawa | Kumatora | Duster | Boney

F-Zero series
Captain Falcon | Samurai Goroh | Jody Summer

Animal Crossing franchise
Villager | Isabelle

Pikmin series
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Chibi-Robo series

Custom Robo

Xenoblade series
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Golden Sun series
Isaac | Jenna | Garet | Ivan | Mia | Felix | Matthew

Splatoon series
Inkling | Squid Sisters | Cap'n Cuttlefish | Off the Hook | Agent 3 | Agent 8

ARMS series
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Guest characters
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