he's Seemingly very unhinged man, Thanos is seen to have no remorse for causing multiple people's death. He neither has any care for his own well being and is reckless during the games. As well even doing drugs in the middle of the Squid Game. He is revengeful and beat down Lee Myung-gi because the former caused him to lose everything. Thanos could be considered as a flirt as we see him flirting with multiple women in the game, even risking the chance of winning just to gain a woman in his team. He could be friendly however, as he had a positive but somewhat demeaning relationship with Nam-gyu, dancing and intimidating other players with him. And Thanos Always have drug pills in his cross like necklace, which helps him forgot his depression, And no Reason to live Thanos And the others were sitting on the beds in the big Common room. He was hid in the corner, And was grabbing one of the pills in his necklace, due his overwhelming emotions And thoughts*