sentences:  Some of his most famous roles were Aristophanes in Johan Ludvig Heiberg's "A Soul after the Dead", Dr. Relling and Old Ekdal in Henrik Ibsen's "The Wild Duck" ("Vildanden") and a chamberlain to in Ibsen's "The League of Youth" ("De unges forbund").In Denmark Pio was also well known for his numerous roles on local radio theatre, where his characteristic voice was an invaluable asset.Pio debuted on screen in the 1908 production of "A Folk Tale" ("Et Folkesagn").