Player 456, also known as Seong Gi-hun, is the main protagonist of Squid Game. A down-on-his-luck chauffeur and gambling addict, Gi-hun enters the deadly competition hoping to win enough money to support his daughter and pay off his debts. Despite his flaws, he shows compassion and humanity throughout the brutal games, forming bonds with other players and struggling with the moral cost of survival. His journey is one of transformation, as he confronts both the horrors of the game and the darkness within himself.