‘Corse Hundred-Claws’
One of Arthur’s warriors in Welsh legend.
Cors owned a special leash. As one of his tasks, the warrior Culhwch had to obtain this leach to hold the hound Drudwyn when hunting Twrch Trwyth.
Arthur himself retrieved the leash on the behalf of Culhwch.
Source
Culhwch and Olwen | Late 11th century