Hugh Jackman in 'The Wolverine'20th Century Fox


Thanks to the "X-Men"/"Wolverine" franchise, Hugh Jackman has grown -- quite literally -- into his name.

Yesterday, the huge, jacked man tweeted a photo of one of his grueling weight lifting routines, demonstrating exactly how he gets that rippling mutant physique.

We'll take his word for it.

Earlier this month, Jackman's personal trainer, Mike Ryan, told Men's Fitness UK, "I call him my masterpiece. He just keeps getting better and better over the years. We've got a bet to see if we can both get to 50 and still have a six-pack."

At 44, the actor is only six years away; we bet he'll hit the big 5-0 with his abs intact.

Jackman's Wolverine is currently tearing it up at the box office in "The Wolverine," and he'll rip into theaters again in next year's "X-Men: Days of Future Past."

[via Twitter h/t Gawker]

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