Alvar is a masculine name of Old English origin; the meaning is "elf or magical army, warrior". Derived from the Old Norse name Alfarr meaning "elf army", formed of the elements alfr "elf" and arr "warrior". Used chiefly in the Catalan, English, Scandinavian, and Spanish languages. Alvaro is an Italian, Portuguese, and Spanish variant, from Gothic roots with the meaning "guard of all".
A werewolf, also known as a lycanthrope (from the Greek lykos "wolf" and anthrōpos "man"), is a mythological or folkloric human with the ability to shapeshift into a wolf or a therianthropic hybrid wolf-like creature, either purposely or after being placed under a curse or affliction (e.g. via a bite or scratch from another werewolf).
Artwork by Thitipon Dicruen.