Nathaniel Samuel Fisher is a fictional character from the television series Six Feet Under, created by Alan Ball. He is portrayed by actor Peter Krause and serves as one of the main characters in the show, which revolves around a family-run funeral home in Los Angeles. Nathaniel is the eldest son of the Fisher family and often grapples with the responsibilities of managing the family business while dealing with personal struggles. Throughout the series, Nathaniel's character explores themes of life, death, and the complexities of family relationships. His interactions with other characters, including his siblings David and Claire, highlight the challenges of balancing personal desires with familial obligations. The show is known for its deep exploration of existential themes and the human experience.