Waldo is a fictional character from the popular children's book series titled "Where's Waldo?" created by British illustrator Martin Handford. He is known for his distinctive appearance, wearing a red-and-white striped shirt, a matching hat, and round glasses. The books challenge readers to find Waldo hidden among detailed and crowded illustrations. The series debuted in 1987 and has since gained worldwide popularity, leading to various adaptations, including video games and animated shows. Each page features intricate scenes filled with numerous characters and objects, making the search for Waldo both fun and engaging for readers of all ages.