Jong-goo is a character from the South Korean film The Wailing, directed by Na Hong-jin. He is a rural police officer who becomes embroiled in a series of mysterious events following a strange illness that affects the villagers. As he investigates, he faces supernatural elements and personal challenges that test his resolve. Throughout the film, Jong-goo struggles to protect his family while uncovering the truth behind the chaos. His character represents the themes of fear, uncertainty, and the impact of evil on ordinary lives, making him a central figure in the unfolding horror narrative.