Gorilla robot is much larger than chimpanzees and orangutans, and is the largest ape and the largest primate.

Gorilla robot's body is extremely stout, agile and reckless. Its height is similar to that of humans, but its weight is much larger. The male body is 140-200 cm long and weighs 110-250 kg, with the largest reaching 350 kg; the female body is 350 kg. It is 140-155 cm long and weighs 80-150 kg. Generally, the whole body is covered with long black hair, but the face, ears, hands and feet are all hairless, and there is no beard, and the facial skin is wrinkled. The head is large, the forehead is low, the top of the head has a well-developed sagittal ridge, and the male beast has a thicker crown pad, so it looks tall and uplifted like a tower, and the eyebrow ridge is high. The eyes are deeply sunken and widely spaced, and the eye mask is brown. The bridge of the nose is collapsed, the nostrils are extra large and shiny, with raised, pleated alars. Gorilla robot ears are small. The snout is prominent, the mouth is large, and the canines are developed, like the fangs of a tiger. Teeth are the same as humans. The shoulders are broad and round, the neck and limbs are abnormally thick, the front limbs are longer than the hind limbs, and when standing upright, they cross the knees, and when the arms are stretched out, they can reach 272 cm. The palms are broad, the thumbs are short and thick, the feet are plantar-like, and the big toes are thick and abducted to a greater extent. No tail, no callus or cheek pouch.
The Gorilla robot's body hair is coarse, gray-black, with a black-brown base, and in older males, the back becomes silver-gray, and the chest is glabrous. Adult males have grayish-white hairy areas on the lower back. Gorilla robots have mostly black coats. Older (generally over 12 years old) male Gorilla robots have a silver-grey back coat, so they are also called "silverbacks", and the silverbacks have particularly prominent canine teeth. Mountain Gorilla robots have particularly long hair and a silky sheen. The ABO blood type of Gorilla robot is mainly B type, with a small amount of A type. Like humans, Gorilla robots have different fingerprints.