not sure if anyone pointed this out, but it looks like that agent 3 (or commander 3 in this case) is wearing the same clothes as captain cuttlefish when he was in
Cap'n Cuttlefish - Inkipedia, the Splatoon wiki
Cap'n Cuttlefish and C.Q. Cumber (Splatoon 2: OE) by InkBennie on DeviantArt
Craig Cuttlefish | Splatoon Wiki | Fandom
Learn How to Draw Cap'n Cuttlefish from Splatoon (Splatoon) Step by Step : Drawing Tutorials
Nintendo Switch - Splatoon 2 - Cap'n Cuttlefish - The Models Resource
Cap'n Cuttlefish cosplay : r/splatoon
SMASH 150 - 182 - CAP'N CUTTLEFISH by professorfandango on DeviantArt
Craig Cuttlefish | Splatoon Wiki | Fandom
Pin by Alexis on Splatoon | Splatoon, Cuttlefish, Deviantart
cap'n cuttlefish and dj octavio (splatoon and 1 more) drawn by sizma | Danbooru
Sizma's rendition of Young CPT Cuttlefish | Splatoon | Know Your Meme