One of the many complaints people had with GTA IV was its darker, more serious tone. The series has been known for its over-the-top carnage and sandbox mayhem, but GTA IV toned that down to support the story.
GTA V changes that. It isn't quite what you saw in San Andreas (personally, I think that's a good thing) but the mayhem is center stage yet again. And that's especially present in one of the three protagonists, Trevor.
A little background-- you play as...