Fat Bastard is a fictional character in the second and third films of the Austin Powers series. A morbidly obese henchman hailing from Scotland, Fat Bastard serves Dr. Evil in his quest to destroy Austin Powers. The character is portrayed by Mike Myers.

Who played fat bastard in the austin powers movie? OK. Let's think. My stream of consciousness:
The relevant information to answer the above question is: The character is portrayed by Mike Myers. The answer is Mike Myers.