Iker Casillas is a retired Spanish professional footballer, widely regarded as one of the greatest goalkeepers in the history of the sport. Born on May 20, 1981, in Móstoles, Spain, he began his career with Real Madrid, where he won numerous titles, including five La Liga championships and three UEFA Champions League trophies. Casillas also earned the nickname "San Iker" for his remarkable shot-stopping abilities and leadership on the field. In addition to his club success, Casillas was a key player for the Spain national team. He helped lead the team to victory in the 2010 FIFA World Cup and the UEFA European Championship in 2008 and 2012. After a successful career, he retired in 2020 and remains a respected figure in football.