Wikia

Chris Vincent Metzen alias Thundergod is the Vice President of Creative Development at the computer game developer/publisher Blizzard Entertainment. He is responsible for most of the storylines and lore (through instruction manuals, etc.) found in the Warcraft and StarCraft series of games as well as concept art and character design. Diablo's fictional universe was created by both Metzen and fellow designer Bill Roper. Metzen also provided voice acting for some of the game's characters.^[1]. He continued his work with the Diablo series in 2000 on Diablo II, where he worked on the game's story, script, and artwork.^[2]. He is also part of the Sons of the Storm.