Hugh Jackman Says Wolverine’s “Growling and Yelling” Damaged His Voice

Hugh Jackman Reveals 'Wolverine' Growling Lead To Vocal Damage

‘Wolverine’ Star Hugh Jackman Claims The Growling Has Damaged His Vocal Range

Hugh Jackman Damaged His Voice From ‘Growling and Yelling’ Too Much as Wolverine: ‘My Vocal Teacher Would Be Horrified’