Steven Jay Blum (; born April 29, 1960) is an American voice actor. Known for his distinctively deep voice, his roles include Spike Spiegel from the anime series Cowboy Bebop; Amon from The Legend of Korra; Heatblast, Ghostfreak, and Vilgax from Ben 10; Garazeb Orrelios from Star Wars Rebels; Starscream from Transformers: Prime; Sub-Zero from...