Last time we checked the sources that track such things, the average height of American and European men was about 5 feet 10 inches. That varies depending on genetics, of course, but what's really mind-boggling is how much taller some male celebrities on the shorter side seem to look to us.

So we decided to check on the stature of some famous dudes known for their larger-than-life personas on stage or screen to see exactly how much we've been duped. A few are famously short, but just how wee they are may surprise you.

  • 10

    Zach Galifianakis

    5 feet 8 inches tall

    The comedic actor and regular on FunnyorDie.com seemed so much taller in 'The Hangover' movies, and it was only seeing him dwarfed by the 6-foot-3-inch Will Ferrell during the promotional tour for 'The Campaign' that made us realize how short Zach Galifianakis really is. Maybe that pot he (allegedly) smoked with Bill Maher on 'Real Time' just stunted his growth.

    Frazer Harrison, Getty Images
    Frazer Harrison, Getty Images
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  • 9

    Usher

    5 feet 8 inches tall

    Watching Usher bust out the moves on stage, one is temporarily blinded to the fact that he isn't nearly as tall as all those spotlights make him out to be. Like many of the other guys on this list, he may compensate by being a bit of a man-slut -- he even recently admitted bedding one of his ex-wife's bridesmaids (after they split -- or so he says).

    Ethan Miller, Getty Images
    Ethan Miller, Getty Images
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  • 8

    Mark Wahlberg

    5 feet 8 inches tall

    The Gen Xers among us remember the erstwhile Marky Mark looming large on Times Square billboards, looking all buff in his Calvin Klein tighty whities. But somewhere between bopping around in the video for 'Good Vibrations' (which is one of the best songs ever, even if he'd rather forget about it) and becoming a respected actor and producer, Mark Wahlberg apparently fell victim to the dreaded Hollywood Shrink Ray.

    Frederick M. Brown, Getty Images
    Frederick M. Brown, Getty Images
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  • 7

    Simon Cowell

    5 feet 8 inches tall

    Cantankerous talent show judge Simon Cowell is a Godzilla-sized nightmare to many singers, but in reality he's so height-challenged (and so insecure about it) that he reportedly wears lifts in his shoes and bristles at jokes doled out by friends like Victoria Beckham. Being shorter than average hasn't hurt his prospects with the ladies, though, since it's amazing how much taller men look when they have enormous ... bank accounts.

    Mark Davis, Getty Images
    Mark Davis, Getty Images
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  • 6

    Eminem

    5 feet 8 inches tall

    Eminem's height has been reported to be as much as 5-foot-10, but anonymous sources who've seen the rapper in person say he's actually a couple inches shorter than that ("anonymous," we're guessing, because he might otherwise beat their asses for saying so).

    Christopher Polk, Getty Images
    Christopher Polk, Getty Images
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  • 5

    Tom Cruise

    5 feet 7 inches tall

    Tom Cruise is known for being short of stature, but he sure does like his women tall -- Katie Holmes is 5-foot-9 and Nicole Kidman is just shy of being a 6-footer. But despite his seeming comfort with having chicks tower over him, Kidman had quite the zinger when she was interviewed not long after their divorce, telling David Letterman, "At least I can wear high heels now."

    Andreas Rentz, Getty Images
    Andreas Rentz, Getty Images
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  • 4

    Robert Downey, Jr.

    5 feet 7 inches tall

    Now we know why Iron Man needs that special suit -- it makes Robert Downey, Jr. look a lot more imposing than he otherwise would. Even Gwyneth Paltrow, who plays Pepper Potts in the popular action films, is two inches taller than he is. (But knowing her, that just gives her something else to feel smug about.)

    Jason Merritt, Getty Images
    Jason Merritt, Getty Images
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  • 3

    Henry Winkler

    5 feet 6 inches tall

    We know we're digging deep into the annals of '70s TV here, but this one truly stunned us. How is the Fonz so freakin' short?! Maybe it was the big pompadour, the shiny motorcycle or the confident swagger -- but we'd have sworn Henry Winkler was at least 10 feet tall.

    ABC
    ABC
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  • 2

    Daniel Radcliffe

    5 feet 5 inches tall

    In her books, JK Rowling doesn't describe Harry Potter as being a big hulk of a guy or anything, but we really thought Daniel Radcliffe was a little closer to average height. He's long since dealt with the misconceptions, though, and once rather amusingly told a reporter, "I used to be self-conscious about my height, but then I thought, [eff] that, I'm Harry Potter!”

    Carlos Alvarez, Getty Images
    Carlos Alvarez, Getty Images
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  • 1

    Prince

    5 feet 2 inches tall

    Alright, look -- we all know Prince is short. Dude's been rocking heeled boots for as long as we've known his name, but we didn't know he was that tiny. He's shorter than the Olsen twins, for God's sake. But one thing we'll give him: Every pore of his wee little frame oozes sex, so a lot of women would happily oblige his twisted fantasies. Even if they had to prop him up on a few phone books first.

    Carlo Allegri, Getty Images
    Carlo Allegri, Getty Images
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