Oh Il-nam (Player 001)

👴 Who He Is

Oh Il-nam is the elderly man with a brain tumor who joins the games. At first, he seems physically weak and unlikely to survive long.

🧠 Personality

• Cheerful and childlike – He often smiles and seems genuinely excited about the games.

• Fearless – While others panic, he sometimes appears calm or even joyful.

• Mysterious – There are small hints throughout the series that something about him isn’t what it seems.

🎭 Why He’s Important

Il-nam adds emotional weight to the story. His friendship with Gi-hun is one of the most touching parts of the show. He also plays a big role in the deeper message about wealth, boredom, and the way powerful people can view life differently from those who are struggling.