Do Min-joon is a fictional character from the popular South Korean television series My Love from the Star. He is portrayed as an alien who has lived on Earth for over 400 years, possessing extraordinary abilities such as superhuman strength and the power of teleportation. In the series, Do Min-joon falls in love with a famous actress named Cheon Song-yi, played by Jun Ji-hyun. The story explores their romantic relationship while addressing themes of time, love, and the challenges of being different in a human world.