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Splatsona !! ~ スプラッソーナ !! | Picrew - The Character Maker
Original Splatoon Character(s)/Original Character(s) - Works
Found a few character makers. (Links in comments) : r/splatoon - Reddit
Splatoon OCs Wiki - Fandom
Character profiles and references on Splatoon-OCs - DeviantArt
Splatoon-OCs - DeviantArt
Splatoon Octoling OC [UPDATE] - DeviantArt
Tell me about your Splatoon OC(s) in the comments! : r/splatoon - Reddit
The 4 types of Splatoon OCs : r/splatoon - Reddit
Splatoon OC Generator - Perchance