Derek Turnbow
Derek Turnbow, portrayed by 13-year-old Jake Connelly, is a major character in Stranger Things Season 5 who evolves from a foul-mouthed bully nicknamed "Dipshit Derek" into an unlikely hero known as "Delightful Derek." Initially introduced as the rude classmate of Holly Wheeler who torments her on the playground and insults adults, his arc shifts dramatically when he becomes a target of Vecna and is recruited by the group to help rescue other children from the US military.