Kopa

Kopa is the son of Simba and Nala, the grandson of Mufasa, Sarabi and Sarafina, the unofficial older brother of Kiara and Kion, the great-nephew of Scar and a main character in The Lion King: Six New Adventures books.

He doesn't appear in The Lion King II: Simba's Pride as he is not an official Lion King character instead he is replaced by Kiara.

Appearance
Kopa greatly resembles his father when he was a cub but with slight differences. Kopa is stockier, has bushier eyebrows, lighter fur and has a tuft of brown hair on top of his head.