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A portrait of actor Michael Cera. (Jay L. Clendenin / Los Angeles Times / January 18, 2013)

Zach Galifianakis and Michael Cera will star in upcoming pilots for FX.

Galifianakis, the star of several hit movie comedies including "The Hangover" franchise," is creating and will star in a pilot for FX that he will co-write with Louis C.K.

The pilot is the first project under FX Productions' recently announced deal with Louis C.K. and his production company, Pig Newton.

FULL COVERAGE: Winter TV preview

Cera ("Juno") and John Hawkes ("Winter's Bone") will star in "How and Why," a pilot from screenwriter Charlie Kaufman ("Being John Malkovich").

The show revolves a man who can explain how a nuclear reactor works, but is clueless about life. Kaufman will write and direct the pilot and serve as executive producer.

The announcements came during at the Television Critics Assn.'s winter media tour in Pasadena.

FX Productions now has 12 comedy pilots in production.

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