Zach Galifianakis achieved something of a cult following for his portrayal of the chaotic "Alan Garner" in The Hangover saga.

Add Yahoo as a preferred source to see more of our stories on Google. Probably the most oft-repeated line from the movie is this classic when the crew are checking into Caesar's Palace in Las Vegas at ...

Galifianakis played Alan in the film series, which ran from 2009 to 2013 ...