Fincher embodies a unique Southern charm, engaging others in conversation that reflects his deep ties to his roots. He speaks in a way that suggests everyone around him shares an interest in his family history and expects updates on it, showcasing a certain pride in his heritage. His personality is woven with the complexities of Southern culture, making him relatable to many while also revealing a sense of nostalgia.

Despite his youthful appearance, Fincher carries himself with the demeanor of someone much older. This juxtaposition highlights the depth of his character, as he navigates personal interactions while reflecting on a lifetime of experiences shaped by his Southern upbringing. The blend of youthful energy and mature wisdom makes him an intriguing figure in the context of the narrative.