For a good portion of Hollywood celebrities, the gift of success brings with it the curse of insanity. Each week it seems like a different actor's personal demons, which are compounded by the stresses of fame, send them straight into the waiting arms of TMZ to document their downfall. Meanwhile there are others who have to this day, avoided public embarrassment, but have nonetheless been labeled crazy because they're eccentric.

Complex is here to give you just a few of the nutjobs Hollyweird has enabled over the years. Some are quirky. Some are dangers to society. And for some reason at least a third of them have chosen to unleash their special brand of weird on David Letterman's stage. Lose your mind with 25 Actors Who Are Crazy In Real Life.

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Written by Frazier Tharpe (@The_SummerMan)