Co-starring alongside Bradley Cooper and Ed Helms for a third time in "Hangover 3," Zach Galifianakis has become one of the most well-known comedians in the industry, but did you know he once wrote for "Saturday Night Live"!

Find out more interesting facts about the "Between Two Ferns" star.



Check out Zach in "Hangover 3" -- in theaters on May 24.

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