Kion is very similar to his father in many aspects. He has a golden pelt and paler golden paws, underbelly, and muzzle. He has a small mane of bright red hair on his head that has several crimson streaks running through it and curves back in tufts, with a bushy tail tip that is the same color as his mane. His eyes are orange-brown, with dark, thick eyebrows. He possesses a brown nose and dark brown whiskers, with brown rims along the side of his ear and black rims along the top. At the base of each of his legs, Kion has numerous spots in a darker shade than his main fur color.
His Mark of the Guard is imprinted in orange on his shoulder.
Kion is a fierce lion who has a great sense of responsibility. He takes his position as leader of the Lion Guard very seriously, and strives to make sure that he never goes down the path that his great uncle Scar did. He is very hesitant on using the Roar of the Elders for anything other than protecting the Pride Lands as a result. Kion doesn't seem to care much for tradition, as shown by his desire to assemble a Lion Guard made up of much more than just lions. This also shows that he is open to change, so long as it is for the better. Kion understands that not all hyenas are bad. He doesn't believe that fighting is always the answer to everything, and is trusting enough to give strangers a chance even if they cause trouble.