Agent 3 can have a variety of appearances, depending on the player's choice of gender, skin color, and eye color, as well as their current ink color. They wear the Hero Suit, and can pick up Armor to wear as well. They wield the Hero Shot by default, but can use a Charger or Roller for amiibo challenges.
Not much is known about Agent 3's background, except that they are at least 14 years old, since they have complete control over their squid and humanoid forms.
Agent 3 initially went to Inkopolis for an unknown reason, but got swept up in Cap'n Cuttlefish's quest to save the Great Zapfish. In Octo Valley, Agent 3 completes various missions to retrieve stolen Zapfish, defeating many Octarians along the way. Eventually, Agent 3 confronts DJ Octavio, rescuing the Great Zapfish, rescuing Cap'n Cuttlefish and restoring Inkopolis' power supply.
In Splatoon 2, the role the player takes in single player has been replaced by Agent 4. Agent 3 was mentioned various times throughout the game through dialogue and Sunken Scroll number 25 reveals Cap'n Cuttlefish went off travelling with Agent 3 for some kind of research trip "at the cape".
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- Agent 3's canonical gender is female, as depicted in the second Sunken Scroll in Splatoon 2 and the Splatoon 2 Octo Expansion trailer.
- Two sets of Gear identical to Agent 3's outfits can be unlocked for online play.
- The Hero Headset Replica, Hero Jacket Replica, and Hero Runner Replicas are now rewarded by the Callie amiibo, and the Armor Helmet Replica, Armor Jacket Replica, and Armor Boot Replicas are now rewarded by the Marie amiibo.
- In the English translation of Splatoon 2, Marie remarks to Agent 4 that Agent 3 has fairly poor hygiene. Meanwhile in the Japanese version, Marie states that Agent 4 looks just as good as Agent 3.
Official art of Agent 3 wearing the Hero Suit.
Agent 3 meeting Cap'n Cuttlefish.
Agent 3 surveying Octo Valley.
Agent 3 patting a retrieved Zapfish doll at the end of a mission.
Agent 3's whereabouts are briefly mentioned in Splatoon 2.
Agent 3 with Agent 8, as shown in the reveal trailer
Names in other languages
|Dutch||Agent 3||Agent 3|
|French||Numéro 3||Number 3|
|German||Nr. 3||Number 3|
|Italian||Numero 3||Number 3|
|Spanish (NOE)||Agente 3||Agent 3|
Characters in Splatoon
Characters in Splatoon 2