Hafþór Júlíus Björnsson is an Icelandic professional strongman, actor, and former professional basketball player.
He plays Ser Gregor "The Mountain" Clegane in the HBO series Game of Thrones.
Which actors would you like to voice these Transformers?
I may not be a huge Transformers fan, however, recently, I am starting to admire each Transformer's unique designs and abilites! But, I am curious: if these transformers would be voiced by different actors, who would you pick? :O
