What is "hispan"

Hispan, Espan, Hispalo or Hispano, is a mythological character of Antiquity, who would derive the name Hispania, according to some ancient writers. Therefore, Hispan is the eponymous hero of Hispania. Hispan is mentioned first by the Gallo-Roman historian Gnaeus Pompeius Trogus (1st century BC) in his work Historiae Philippicae, preserved only in a later summary, probably made in the 3rd century AD by Justinus. During the Middle Ages, Hispan was also known as Espan, told of him various legends.