This section contains spoilers for Hero Mode.
Drop down the information below with caution unless you have completed Hero Mode. Spoilers are below.
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.
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.
- 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.