Wyvern folklore is rarely fire-breathing like the four-legged dragon. Sometimes modern fantasy book and media authors have wyverns that are frost-breathing or poison-breathing instead of fire-breathing. The current spelling "wyvern" is not attested before the seventeenth century as "winged two-footed dragon". According to the Oxford English Dictionary, it is an alteration of Middle English "wyver" (attested thirteenth century), from Anglo-French "wivre" (cf. French "guivre" and "vouivre"), which originate from Latin "vīpera", meaning "viper", "adder", or "asp". Conversely, medievalist William Sayers proposes a more complex origin for the term. He notes that the Anglo-French "guivre" and its Middle English derivative ceased to
Wolves in heraldry a dead swan in its jaws on a yellow shield is depicted on the crest and Arms of the Counts von Brandenstein-Zeppelin. In Italian heraldry, the attributed arms of Romulus and Remus were said to depict the Capitoline Wolf. An undated Milanese badge allegedly in the Biblioteca Trivulziana, Milan, shows a lamb lying on its back with a wolf standing over it. In French heraldry, the Wolfcatcher Royal had as his official insignia two wolf heads facing frontally. A horned, wolf-like creature called the Calopus or Chatloup was at one time connected with the Foljambe and Cathome family. Modernly, the