Ross Duffer and his twin brother Matt Duffer (born 1984), known professionally as the Duffer Brothers, are American twin brothers and filmmakers. The brothers are identical twins and work on all their projects together. They are best known as the creators, showrunners, and executive producers of the Netflix supernatural science fiction horror series Stranger Things (2016–2025), and have also written and directed the horror film Hidden (2015) and written and produced episodes of the Fox science fiction series Wayward Pines (2015–2016). The Duffer Brothers founded the production company Upside Down Pictures, which is in an overall deal with Netflix.

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