Klaus Baudelaire is the middle Baudelaire child and one of the main protagonists of A Series of Unfortunate Events. He is the younger brother of Violet Baudelaire and older brother of Sunny Baudelaire. He is very intelligent and enjoys reading books and conducting research for fun. However, he is also an extremely unlucky and unfortunate boy. Klaus was twelve at the beginning of the series, turned thirteen while incarcerated for a brief period of time in The Vile Village, and was fourteen when he left the Island at the end of The End. Despite his research, Lemony Snicket does not know what happened to Klaus after the final novel.