You're looking fairly fresh!
— Sheldon

Horseshoe Crab and Weapon Expert.
— Sheldon's Description

Sheldon (Japanese: ブキチ Bukichi) is a horseshoe crab who owns Ammo Knights, a weapons store, at the Inkopolis Galleria.


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In Splatoon 2, he joins the New Squidbeak Splatoon to assist Marie and Agent 4 in rescuing her cousin Callie from DJ Octavio's control.

Spoilers end here.

Personality and traits

Sheldon is a genuine military fanatic and is fascinated by his weapons. He has developed nearsightedness due to staying up late every night messing around with small parts.[1]

Though he is a horeshoe crab, Sheldon wears his whole shell on his head, like a hat. He also wears a pair of goggles, a khaki scout uniform, and a red scarf around his neck. He has buck teeth and pale yellow skin. 


  • Sheldon's name comes from the word "shell," as he is a horseshoe crab which is a species known to have shells.
  • Sunkenscroll15

    Ammoses Shellendorf can be seen standing behind Cap'n Cuttlefish.

    Sheldon's grandfather, Ammoses Shellendorf, has blueprints that are aquired from beating each boss in Hero Mode. There are five blueprints total, which include the blueprints for the Hero Shot Replica.
    • There also are three more blueprints obtained after completing the DJ Octavio challenges of the amiibos.
    • Ammoses Shellendorf was the most likely individual who stood behind Cap'n Cuttlefish in a photograph of them during the Great Turf Wars.



  1. Post from Japanese Splatoon Twitter.