Princess and dragon hero is envisioned as slaying dragons even though, for instance, the Brothers Grimm had only a few tales of dragon and giant slayers among hundreds of tales. One of the earliest example of the motif comes from the Ancient Greek tale of Perseus, who rescued the princess Andromeda from Cetus, a sea monster often described as resembling a serpent or dragon. This was taken up into other Greek myths, such as Heracles, who rescued the princess Hesione of Troy from a similar sea monster. Most ancient versions depicted the dragon as the expression of a god's wrath: in Andromeda's case,
Sea monster antiquity (Heuvelmans 1968). Unidentified carcasses are often called globsters. The alleged plesiosaur netted by the Japanese trawler "Zuiyō Maru" off New Zealand caused a sensation in 1977 and was immortalized on a Brazilian postage stamp before it was suggested by the FBI to be the decomposing carcass of a basking shark. Likewise, DNA testing confirmed that an alleged sea monster washed up on, Newfoundland in August 2001, was a sperm whale. Another modern example of a "sea monster" was the strange creature washed up in Los Muermos on the Chilean sea shore in July 2003. It was first described as