welsh fancy words

Adar Llwch Gwin which are magical birds of Welsh tradition..but they're actually more like griffins..( i based mine off a red kite)
Drudwas ap Tryffin, a warrior was giving one by his fairy wife.
These creatures were said to understand human speech and to obey whatever command was given to them by their master.
However,when Drudwas was about to do battle with the hero Arthur, he commanded it to kill the first man to enter the battle. Arthur himself was delayed and the creature immediately turned on Drudwas and tore him to pieces.

the name meaning is = Adar (bird) Llwch (dust) Gwin (wine)