Deckard Cain.

About Deckard Cain

Deckard Cain is a fictional character who appears in the Diablo video game franchise by Blizzard Entertainment. Within the series, Cain is a prominent non-player character who acts as an advisor and guide to the player character of the first three games, and represents the wise old man archetype who provides most of the in-game lore. Cain is the last surviving descendant of the original members of the Horadrim, an ancient order of magicians charged with trapping the series' primary antagonists within enchanted crystals and guarding them thereafter. Cain has appeared in series related media, and appears as a playable hero in the crossover multiplayer online battle arena video game Heroes of the Storm. The character is originally named after the winning entry of a fan contest organized by Blizzard and PC Gamer, and is voiced by Michael Gough for all media.