Steven Yeun is a Korean-American actor. He is known for playing Glenn Rhee in AMC's horror television series The Walking Dead from 2010 to 2016 and for his role in the South Korean mystery film Burning. For the latter, he won the National Society of Film Critics Award for Best Supporting Actor, among other awards. He also voiced Keith in Voltron.
It starts on Krypton, a thousand years ago, and ends with Superman alone on Planet Earth, the last being left on the planet, as the yellow sun turns red and starts to supernova, and he loses his powers.”