Yoyodyne is a fictional company featured in the works of author Thomas Pynchon, particularly in his novel "Gravity's Rainbow." It is depicted as a defense contractor involved in various high-tech and military projects during World War II. The company symbolizes the intersection of technology, war, and corporate interests. In popular culture, Yoyodyne has also appeared in other media, including the animated series "The Simpsons." The name has become synonymous with absurdity and complexity, often representing the darker side of technological advancement and corporate power in society.