William "Bill" King is a British author of science fiction and fantasy works, most known for his work in the Warhammer settings. He is the author of the Warcraft novel Illidan. King has been familiar with Illidan as early as Warcraft III, and has cited Illidan and Arthas Menethil as the most interesting characters in Warcraft lore. William King played the first RTS games, and has been playing World of Warcraft since the Burning Crusade expansion. He plays both factions and a rogue.