Who is Deok Su in Squid Game?

Jang Deok-su (Korean: 장덕수), also referred to as Player 101, is a major antagonist in the first season of the South Korean Netflix series Squid Game. He is a gangster boss in South Korea who decided to participate in Oh Il-nam’s 2020 Squid Game in order to pay off the debts he owes to the mafia and to a Filipino casino.

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