Willie Garvin is a character in the long-running British comic strip series Modesty Blaise, as well as a series of novels based upon the strip. The character was created by Peter O'Donnell in 1963 and, alongside Modesty Blaise, made his first appearance in the story La Machine, appearing for the first time in strip no. 21. Willie Garvin also appears in every volume of the Modesty Blaise book series.