Linus Van Pelt inspired the term "security blanket" with his classic pose. He is the intellectual of the gang, and flabbergasts his friends with his philosophical revelations and solutions to problems. He suffers abuse from his big sister, Lucy, and the unwanted attentions of Charlie Brown's little sister, Sally. He is a paradox: despite his age, he can put life into perspective while sucking his thumb. He knows the true meaning of Christmas while continuing to believe in the Great Pumpkin.