Clint Barton, known as Hawkeye, is a skilled marksman and a core member of the Avengers. In 'Avengers: Endgame', he plays a crucial role in the team's efforts to reverse the devastating effects of Thanos' snap. After losing his family to the snap, Clint becomes a vigilante known as Ronin, taking down criminal organizations. His journey in the film is one of redemption and reconnection as he rejoins the Avengers to bring back his family and the rest of the vanished population, showcasing his loyalty and determination.