Danny Zuko is a fictional character from the musical and film Grease. He is the charming leader of the T-Birds, a group of greaser boys in the 1950s. Danny is known for his slicked-back hair, leather jacket, and rebellious attitude. He falls in love with Sandy Olsson, a sweet girl who represents the opposite of his tough persona. Their relationship is central to the story, showcasing the challenges of young love. Throughout Grease, Danny struggles to balance his tough-guy image with his feelings for Sandy. He tries to impress her while dealing with peer pressure from his friends. Ultimately, Danny learns the importance of being true to himself and embracing love, no matter the circumstances.