Cù-sìth
The cù-sìth(e) (Scottish Gaelic pronunciation: [kʰuː ˈʃiː]), plural coin-shìth(e) (Scottish Gaelic pronunciation: [kʰɔɲ ˈhiː]) is a mythical hound found in Irish folklore and Scottish folklore. In Irish folklore it is spelled cú sídhe, and it also bears some resemblance to the Welsh Cŵn Annwn.