Steven Jay Blum 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; Star Wars franchise; Starscream from Transformers: Prime; Sub-Zero from the Mortal Kombat franchise; Tank Dempsey from the Call of Duty Zombies franchise; Ares in God of War, God of War: Ghost of Sparta, and God of War: Ascension; and Wolverine from Marvel's Wolverine and the X-Men, Marvel Anime: X-Men, and various other projects featuring the character.