The Laughing Cavalier Artist is the Dutch painter Frans Hals, who was active in the 17th century. He is best known for his portraits, which often featured a sense of movement and a lively expression. His most famous painting is The Laughing Cavalier, which depicts a man with a wide smile and a feathered hat. Hals was a master of the Dutch Baroque style, and his works are highly sought after by art collectors.