Jung Ui-Myeong is the antagonist in the Live Action Netflix series Sweet Home. He is portrayed by Kim Sung-Cheol. He is a liquid-like monster inhabiting the body of a researcher that experimented on monsters before he was killed. Like Cha Hyun-Su, he is able to retain his consciousness. It's unclear if his name belongs to himself or the researcher. In Episode 9, he arrives at Green Home alongside Shin Jung-Seop and his gang, hunting down a runaway gang member. When Yoon Ji-Su is getting assaulte