see also: Facial Styles A Walrus is a moustache that droops over the mouth and is named after the marine animal, which has moustache-looking hair that hangs over its mouth in a similar way. It makes lip-reading a difficult task, so grow this one if you have some secrets to tell. Chester A. Arthur, president of the U.S. from 1881 to 1885, wore a Walrus moustache, as did literary giant Samuel Clemens (better known as Mark Twain.)