Merman

Mermen (Also Merkings, merlords, mergentlemen, Mermisters, Merprinces, Merhusbands, Merfathers, Mersons, Merbrothers or Merboyfriends) the male counterparts of the mythical mermaids, are legendary creatures which are male human from the waist up and fish-like from the waist down, but may assume normal human shape. Sometimes described as hideous, and other times as handsome. A "merboy" is a young merman.