Terry Notary (born August 14, 1968) is an American actor, stunt coordinator/double and movement coach. Notary mainly portrays creatures and animals for the film and television industry, and is known for his motion capture performances in films, including Avatar, The Adventures of Tintin: Secrets of the Unicorn, the Planet of the Apes reboot series, The Hobbit trilogy, and Kong: Skull Island. In 2018, Notary played Cull Obsidian in the Marvel Studios films Avengers: Infinity War and Avengers: Endgame. Description above from the Wikipedia article Terry Notary, licensed under CC-BY-SA, full list of contributors on Wikipedia.