Count Olaf is a fictional character from the book series "A Series of Unfortunate Events" by Lemony Snicket. He is a villainous actor and con artist who relentlessly pursues the Baudelaires, three orphaned siblings, in an attempt to steal their inheritance. Count Olaf is known for his cunning and disguises, often changing his appearance to deceive others. His primary goal is to gain control of the Baudelaire fortune, and he will go to great lengths, including committing various crimes, to achieve this. His character embodies themes of greed and the struggle between good and evil.