Michael Douglas in Falling Down (1993)
William 'D-Fens' Foster: SPOILER: Foster completely lost his mind in the daily traffic jam. He was always a ticking time-bomb but was pushed over the edge when he was fired. He went to see his wife, d…
(The loser has to be from movies rated minimum 6.5/10 stars on IMDb. No animation allowed but characters can be either from real life or fictional. One exception: When the loser is so significant that he's worth standing next to the other losers below, the movie can be rated down to 5.5/10.)
A special thank you to Dan Dassow, Jen & Djesika, who helped me so much correcting my typos.