This anime can be attributed to the genre of adventure. Pretty funny stories happen to the protagonist, Vash the Stampede. And consider the surrounding vicious, unpredictable, aggressive personality, able to kill and destroy everything in its path.
Trigun tells the story of Vash the Stampede, the Humanoid Typhoon and a lone gunslinger with an insanely high bounty on his head who leaves a trail of destruction in his wake. Meryl Strife and Milly Thompson, two employees of an insurance company, seek out Vash in an attempt to prevent him from causing any more damage. When they find him, they learn that Vash isn’t the man they thought he was end up joining him on his journey.