Knull, also known as the King in Black, is the overarching antagonist of the Venom trilogy in Sony's Spider-Man Universe. He is a primordial deity and the creator of the Symbiotes, who betrayed and imprisoned him on Klyntar. Thereafter, he spent most of his life searching for a key that could free him. Upon discovering the key's location, he sent the Xenophages to Earth to retrieve it so he could continue on with his goal to conquer and destroy the entire universe. He is portrayed by Andy Serkis, who also played Gollum, Mauhúr, Snaga and the Witch-king of Angmar in The Lord of the Rings and The Hobbit trilogies, Mr. Grin in Stormbreaker, Spike in Flushed Away, King Bohan in Heavenly Sword, Capricorn in Inkheart, Pyramid in Enslaved: Odyssey to the West, William Hare in Burke & Hare, Ulysses Klaue in the Marvel Cinematic Universe, Supreme Leader Snoke in the Star Wars sequel trilogy, Kertasnikir in Netflix's Hilda, George Clements in SAS: Red Notice and David Robey in Luther: The Fallen Sun.