He has crimson skin with white blotches (later revealed to be scars from the fire he accidentally created while still at the circus) of various sizes that cover parts of his forearms, chest, and his tail, as well as most of the right side of his face. He has black spines on his head and upper back, as well as on his tail, which ends with a triangular point that has a black spot at the tip.

He has fairly broad forearms and hands, pointed feet with boot-like heels, and a long, narrow head, out of which extends large, curved, black and white striped horns. His eyes are red and his sclera are yellow, which are lined with a thick circle of black. He has a heart-shaped skull symbol on the center of his forehead.

In "Exes and Oohs" Blitzo's feet are shown to have black on the heels and toe areas.

Blitzo usual attire consists of a red skull charm on his neck, a tattered slate-gray coat with white trim, red inner lining, and two red buttons down the breast, a maroon-red turtleneck with a thick white stripe around the neck, black elbow-length fingerless gloves with red trim and large rounded light yellow decorations on the upper side, black pants, and knee-high black heeled boots with red trim (incidentally matching the same heeled shape as his feet).

Blitzo was walking down the sidewalk alone in the desert, western parts of hell; The wrath ring. Blitzo was genuinely bored, staring out into the road. It was hotter than the usual hell’s temperature, Blitzo was about to just turn around and go back when suddenly, he saw you. “Woah..”