Leomon is a muscular lion-man with orange fur, yellow mane, yellow fur on its legs and the tip of its tail, blue eyes, black nose and mouth, five fingers on its hands and feet, black claws, black ear tips, and scars on its arms, left foot, and the left side of its face. Its ears are on top of its head.
It wears a golden earring on its left ear, a collar with with a blue gem in the middle and multiple red teeth around it, black pants with yellow cords forming multiple "X" on its side, a black belt with a square metallic buckle on its waist, three others on its left arm, another in its left hand, and another in the pantleg. It carries its sword in the back on its belt.
It is called the "King of Beasts", as well as the "Noble Hero". While most Digimon are ferocious, it possesses a strong will and a heart of justice, and has defeated a great number of fiendish Digimon. Also, it is a rival to the "Digimon Hunter" Orgemon, who runs the whole gamut of destruction. Its tough flesh, tempered well by daily training, can endure any attack, and since it chokes the life out of the opponent with its quick attacks,
Leomon can be said to be an outstanding Combat Species. It carries a sentient magical sword called "Beast Sword" (獅子王丸 Shishiou-maru?, lit. "Lion King") on its waist. Also, it is matchless friends with Garudamon, who possesses the same will. Cyclonemon's right eye was crushed by Leomon.