Marvel's ''Black Bolt'

Currently appearing in Marvel Studios' "Doctor Strange In The Multiverse of Madness" is 'Black Bolt' aka 'Blackagar Boltagon' (Anson Mount), originally created by Stan Lee and Jack Kirby,  first appearing in Marvel Comics "Fantastic Four" #45 and #46 (1965), as the ruler of 'Attilan and member of the 'Inhumans' race of genetically altered superhumans:

"Black Bolt's signature power is his voice, as his electron-harnessing ability is linked to the speech center of his brain. 

"Speaking triggers a massive disturbance in the form of a highly destructive shockwave capable of leveling a city. 

"Due to the extreme danger posed by this power...

"...the character has undergone rigorous mental training...

"...to prevent himself from uttering a sound, even in his sleep...

"...and he usually remains completely silent and speaks through sign language or via a spokesperson..."

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