The Metal Earth Chief's Helmet models are amazingly detailed etched models that are fun and satisfying to assemble. Each model is made from a pair of completely flat laser-etched steel sheets. John-117 "Master Chief" is a fictional character and the main protagonist of the Halo fictional universe, created by Bungie. Master Chief is a playable character in the series of science fiction first-person shooter video games: Halo: Combat Evolved, Halo 2, Halo 3, Halo 4, and Halo 5: Guardians. Outside of video games, the character appears in novels— Halo: The Fall of Reach, Halo: The Flood, Halo: First Strike, and Halo: Uprising —and has cameos in other Halo media, including Halo: Reach, Halo: Ghosts of Onyx, The Halo Graphic Novel, Halo Legends and Halo 4: Forward Unto Dawn.