Blackagar "Black Bolt" Boltagon is the king of The Inhumans, and husband of Medusa Amaquelin. Though he is the King of the Inhumans and cannot speak without using his sonic scream, despite having his antenna in Marvel’s Animated Universe. Because of this, Medusa speaks for him.
The Marvel Superhero Saga: In the City of Attilan
The Marvel Superhero Saga: W.A.R.R.I.O.R. Meeting the Inhuman Royal Family
The Marvel Superhero Saga: The Battle with Maximus the Mad