Aridés of Escabalon
A malevolent lord who attacked the city of Beaurepaire and besieged the lady Blancheflor, Perceval’s sweetheart, within.
Perceval, who had previously saved Beaurepaire from Clamadeu and Anguigerron, returned, defeated Caridés, and sent him to Arthur.
Caridés eventually became a Knight of the Round Table.
Source
Third Continuation of Chrétien’s Perceval | Manessier, c. 1230