Actor Chris Pratt, better known to fans of slow-witted, well-meaning, beardface schlubs as Andy Dwyer on NBC's Parks & Rec, has broken out of his typecasting cocoon and emerged an unrecognizably jacked butterfly.

Following the February announcement that he would lead Marvel Studio's big screen adaptation of Guardians of the Galaxy as interplanetary police chief Star-Lord, Pratt quit beer cold turkey, and started an intensive training program that turned him into what Andy probably imagines Bert Macklin, FBI looks like.

Proving his sense of humor wasn't stored in his fat cells, Pratt captioned the photo: "Kinda douchey to post this but my brother made me."

[photos via Twitter]