Shuck has an anatomy that sort of resembles a big pit-bull with a couple panther-ish and ram-like traits included in as well. His fur is mainly pitch black and he has two hollow ram horns that come out from each side of the top of his head which end at a very sharp curve next to his cheeks. Two diamond shaped red splotches are over his eyes, which are oddly the same color as his sclera, while his irises are a sickly yellow. His mouth is lined with large pointed teeth, perfect for ripping into the flesh of his victims.

Shuck was born in the Madness Frontier, which makes him tougher than most. He seems to have thick skin, and is extremely hard to tick off or annoy. When he chooses firm loyalty towards someone, he can be quite ruthless towards his foes, reigniting an old fire that most probably wouldn't want to feel the wrath of. Shuck usually has a very comedic, vulgar attitude and has a personality of what Ludwig considers to be an old "joke." He curses and uses odd mashups he creates on a whim in an attempt to make others laugh, which usually doesn't work. He's quite laid back and self-aware, having no issue in getting personal or having a good time with his friends to ignore bad situations. Shuck is also very intelligent and loves to do math or play challenging and complex puzzle games like Chess.