Tyrion Lannister is a fictional character from the book series A Song of Ice and Fire by George R.R. Martin, which was adapted into the television series Game of Thrones. He is known for his sharp wit, intelligence, and strategic mind, often using his cleverness to navigate the dangerous political landscape of Westeros. Despite being a dwarf, he defies stereotypes and proves to be a key player in the power struggles among the noble families. Tyrion is the youngest son of Tywin Lannister and is often underestimated due to his stature. He has a complicated relationship with his family, particularly with his sister Cersei and brother Jaime. Throughout the series, Tyrion seeks acceptance and respect while grappling with issues of identity and belonging, making him a complex and relatable character.