Christopher Lee Yost (/joʊst/; born February 21, 1973) is an American film, television, animation, and comic book writer best known for his work for Marvel Studios' Marvel Cinematic Universe with Thor: The Dark World (2013) and Thor: Ragnarok (2017) and on The Mandalorian for Lucasfilm and Disney+. Description above from the Wikipedia article Christopher Yost, licensed under CC-BY-SA, full list of contributors on Wikipedia.