The term 'character found in kids' books' can be summarized by the five-letter word 'Waldo'. Waldo is a character created by British illustrator Martin Handford, who first appeared in the 1987 book 'WHERE's Waldo?'. He is a bespectacled man wearing a red and white striped shirt, bobble hat, and carrying a walking stick. Waldo has become a popular figure in children's literature, appearing in a series of books and other media.