What to ask the barber for this haircut?

well my hairs pretty long and its time for a haircut. i want my hair like robert downey jr playing as tony stark in iron man -... show more well my hairs pretty long and its time for a haircut. i want my hair like robert downey jr playing as tony stark in iron man - http://www.google.ca/imgres?q=tony+stark...
or as chris hemsworth - http://www.zimbio.com/pictures/1I3T-yVqm...

what should i ask my barber. unfortunately i cant take a picture with me for reasons. maybe a haircut that gives ideal looks? what would you ask your barber to do to your hair if you wanted it like this?
Update: guys i mentioned i cant take a picture with me -___-
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