Homer Simpson is a character from the animated television series The Simpsons. He is the patriarch of the Simpson family and is known for his dim-wittedness and laziness. In this image, Homer is shown with a device attached to his head that is stimulating his brain. The device is causing Homer to experience a range of emotions, from happiness to sadness to anger. The image is a reference to the show's episode "The Secret of the Simpsons", in which Homer undergoes a similar procedure.