I can't tell you a thing about possible English/Central European contacts or influences, but I might be able to help with the traditional names of fools in German drama (Rubin, Lasterbalk, Pusterbalk, etc.)-- see Wilhelm Arndt, _Die Personennamen der deutschen Schauspiele des Mittelalters_, Germanistische Abhandlungen, 23 (Breslau, 1904). Steve Wright Catholic University