Who are the voices of metalacolypse?

The voices of "Metalocalypse" are primarily provided by creator Brendan Small, who voices the main character Nathan Explosion, and Tommy Blacha, who voices several characters including Skwisgaar Skwigelf and Toki Wartooth. Other notable voice actors include Mark Hamill, who voices the character of Dr. Roxxo, and George Lowe, known for his role as the narrator. The show's distinct blend of humor and heavy metal culture is brought to life through their performances.