At the same event the following year, Carter won national titles in four events and became the first person to do so since Jesse Owens accomplished the feat twice in 1935 and 1936. He was also the first athlete ever to win both the 100 m and 400 m events on the same day. He has become known as X-Man due to the first letter of his name as well as his signature victory salute of crossing his forearms to make an X.