Darmanitan is a mainly red, ape-like Pokémon. Its body is rounded and powerfully-built, with large tan colored fists, long forelegs, and short hind legs. It has a wide, toothy, relatively manic-looking grin etched on its face, large round eyes with black pupils, and long flaming eyebrows. Its bared teeth are sharp like fangs. Its upper body is bulkier than its lower body, and it has a stubby pointed tail. It has three tan ovular patches on its chest, just below its grinning mouth.
It has another form called Zen Mode that has a similar torso to its normal form, but with shortened eyebrows, retracted limbs, and is colored blue. It has also has no pupils and gains the psychic type, along with having its stats altered. It is also brightly colored looking at its arms and legs and near the eyes and has three brightly colored blue dots on its torso.