Walt Kowalski is the protagonist of Gran Torino (2008), a critically acclaimed film directed by and starring Clint Eastwood. The character of Walt is one of Eastwood's most nuanced performances, blending his tough, no-nonsense persona with a poignant exploration of redemption, prejudice, and human connection.

Who is Walt Kowalski?
Background: Walt is a retired auto worker and Korean War veteran living in a changing Detroit neighborhood. He is a widower, estranged from his family, and deeply bitter, harboring racist and xenophobic attitudes shaped by his war experiences and the shifting demographics of his community.
Personality: Gruff, irritable, and blunt, Walt initially appears as a caricature of the "angry old man," but his character is revealed to be far more complex as the story unfolds.
Plot Summary
The film begins with Walt mourning his wife's death, leaving him isolated in a neighborhood now predominantly populated by Hmong immigrants. He is initially hostile toward his neighbors but becomes reluctantly involved in their lives when:

Thao: A shy Hmong teenager, is pressured by a gang to steal Walt’s prized 1972 Gran Torino car as part of an initiation. Walt catches him, leading to tension.
Sue: Thao's spirited older sister befriends Walt, gradually breaking down his prejudices.
Over time, Walt becomes a mentor to Thao, teaching him responsibility and self-respect. However, Walt's newfound relationship with the family puts him in conflict with the gang terrorizing Thao and Sue.

The film’s climax features Walt making the ultimate sacrifice to protect his neighbors, showing how he overcomes his flaws to find redemption.

Themes
Redemption: Walt seeks atonement for his past, including his actions during the Korean War and his estranged relationship with his own family.
Racial Prejudice and Understanding: The film critiques racism and stereotypes, illustrating how understanding and human connection can overcome ingrained biases.
Masculinity and Responsibility: Through his mentorship of Thao, Walt challenges traditional notions of masculinity, emphasizing accountability and integrity.
Sacrifice and Legacy: Walt’s final act demonstrates selflessness and the idea of leaving behind a positive legacy.
Legacy
Walt Kowalski is considered one of Clint Eastwood's most powerful and layered characters, combining elements of his tough-guy archetype with deep emotional vulnerability.
Gran Torino received widespread acclaim for its storytelling and themes, though it also sparked discussions about its portrayal of race and cultural dynamics.
The film marked a significant moment in Eastwood's career, showcasing his ability to reflect on his past roles while offering a contemporary perspective on heroism and morality.