Zacharius Knight "Zach" Galifianakis (October 1, 1969) was an American comedian and actor, known for numerous film and television appearances including his own Comedy Central Presents special. He was known for his unconventional stand-up style, that features the reading of one-liners while playing a piano during his performances. While initially more of an "underground" and lesser-known comedian, he garnered considerable mainstream attention with his breakthrough role in the comedy The Hangover.
In "My Morning Straitjacket," he provided the voice of Norman and "heavyset man".
On April 14, 2013, Galifianakis died of his constant butt crack-showing.