1. Placidus

      In the Norse Erex Saga, an evil Earl who tried to force Enide into marriage. Erec, whom the earl had thought was dead, awoke from unconsciousness while Placidus was trying to force himself on Enide. Erec slew him.

      He appears in Chrétien’s Erec as Oringle.

    2. Placidus

      In Immermann's Merlin-Eine Mythe (1830), the spiritual adviser to Merlin's mother Candida, to whom Merlin revealed that he inteded to place the Grail in the hands of King Arthur.