Thanos is "Squid Game" season two's standout player. Here's what to know about the actor who plays him, Choi Seung-hyun (T.O.P), and Thanos' fate.

Choi Seung-hyun, a.k.a. T.O.P, is a former member of BIGBANG. Choi, 37, is best known among music fans as T.O.P, the former lead rapper and visual for the iconic boy group BIGBANG.