Marvin Heemeyer

Marvin Heemeyer, also known as Captain Killdozer, was a welder who also owned a repair shop for mufflers. His shop was lost due to a zoning problem. So, he decided to do the best thing he could do in that situation: Turn a Catterpillar into an indestructible tank of doom, A.K.A, The Killdozer. He destroyed a lot of buildings. When the police were sent in, their efforts were futile to stop the machine. Fortunately for them, however, Heemeyer's machine got stuck in some mud and debris, Which led him to killing himself.

However, his efforts were not completely in vain, as he is now regarded as a hero by some.

Tropes related to Marvin Heemeyer include:

 * Disproportionate Retribution: He lost his store, so in retalliation, he devoted the rest of his life building an invicible, bombproof tank, then using it to destroy as many things as possible before killing himself.
 * The Hero: YMMV, but some people see him as a hero for his actions.
 * Mad Scientist
 * Roaring Rampage of Revenge