They didn''t even bother to do a color correction on that photoshop. Why are you even asking if it''s real, OP? Are you blind?
It's unlikely to be real. But it's probably fairly accurate anyway.
Of course not. It has been photoshoped.
It's a fake, if u look at the thighs on the photo from the hangover when he wore a jockstrap you can see that he doesn't have any noticeable leg hair and the skin is a different pigment. Although I wish it were real.