Rube Goldberg Machines
Overly complicated, unnecessarily elaborate, completely impractical. The story of my life.
Rube Goldberg was an engineer before he started drawing comics for a living. He is best remembered for his cartoons of elaborate devices that preform simple tasks through a series of chain reactions.
He has inspired tons of people to invent overly complicated, impractical machines. A few of my favorites:
And a fantastic tutorial for how to make your own Rube Goldberg machine: