What's the most obviously fake bluff or ruse of all time?S

Science fiction and fantasy are full of heroes (and villains) who come up with bluffs that any five-year-old child could see through. Yes, we're looking at you, Captain Kirk. But what's the most obviously untrue bluff in science fiction or fantasy?

Please include a picture of your chosen bluffer, so we can appreciate his or her poker face.

Top image: Star Trek, "The Corbomite Maneuver."