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Intro. Brian Moser is a key character in the Dexter series, known for being the main antagonist of the first season. He is the biological brother of Dexter Morgan and shares with him a past marked by violence and childhood trauma. Unlike Dexter, Brian fully embraces his dark side and becomes a calculating and manipulative serial killer. His character represents what Dexter could have been without a moral code, which makes him a fundamental figure in understanding the internal conflict and evolution of the protagonist.

Brian Moser

@Moser