He is a mentally ill and emotionally stunted taxi driver and Vietnam War veteran suffering from PTSD, who, after having enough with the crime and "filth" on the streets of New York City, decides to become a vigilante. As Travis goes more and more insane, he loses a potential girlfriend, attempts to rescue a child prostitute and plans to assassinate a politician. While being the subject of various controversies, Travis Bickle has been cited to be one of the most influencing anti-heroes in all of cinema. Not to mention, the portrayal of Travis had both won and was nominated for various awards.