It's time to play a favorite game of Mr. Man's: guess those buns! As connoisseurs of celebrity ass, we love to think we can guess a celeb'sbooty from miles away. Let's put this superpower to the test, shall we? Whose heavenly buns are these?

First hint:He was raised in Ireland, born in Germany and is based in London.

Let's Play Guess Those Buns!

Second hint: His first film audition was Ben Affleck's part in Pearl Harbor.

Let's Play Guess Those Buns!

Third hint:You might recognize him from his roles in the X-Men movies...even though we prefer to see him much more X-rated.

Let's Play Guess Those Buns!

Can you guess who it is? Here's one last hint:

Let's Play Guess Those Buns!

It's Michael Fassbender!

Let's Play Guess Those Buns!

The German hottie is not afraid of nudity and never has been. We love him for his bold acting choices and his desire to take off his pants as much as possible. yes, please! Remember when he played a sex addict in Shame and hung serious dong? Of course, you do. How could we ever forget his hall of fame cock?