Kyle Brofolvski is one of the main characters of South Park and the deuteragonist of the show behind Stan Marsh. He is Stan's best friend and Cartman's rival.
He is a moral center and intellgent boy who believes in causes albeit not unlike his mom. While he is a nice guy, Kyle has proven to be no better than Cartman on certain occasions and can stoop to his levels to get what he wants or to get back at Cartman, even when Eric isn't harassing him.
Despite this he loves his brother Ike and is highly motivated to be a great bigger brother to him despite being adopted
War of The Streams[]
Kyle regroups with Stan, Wendy, Kenny and Cartman and works with them to stop Frank Underwood and his corrupt cabinet as well as the Cartel. He lacks the experience of the others but makes up for it when it comes to book smarts.
Kyle like Cartman finds himself killed by Frank Underwood and his allies which does a thing to both Stan and Kenny as they bury Kyle and Cartman in the graves.