Steve Harrington is a fictional character from the Netflix series Stranger Things, portrayed by actor Joe Keery, who evolves from a stereotypical jock into a courageous, caring, and beloved "babysitter" for the main group of kids, becoming a key ally against supernatural threats from the Upside Down. Initially the popular boyfriend of Nancy Wheeler, his character arc involves a significant transformation as he sheds his arrogance and becomes a protective, paternal figure, forming close bonds.