 In some traditions, he has a dual nature; one destructive as the guardian of sharks, and one a kind, handsome male youth; in others, his right side is human and his left side is a fish.Alternate names in the various Polynesian languages include Kinilau, Sinilau, Tigilau, and Tinilau.Stories about Tinilau (or Tigilau) and his wife Sina are very popular in Samoa.