He played all-American heroes who just happened to have a thick Austrian accent for no discernible reason. Much like Sean Connery played all kinds of different nationalities but always sounded Scottish.
http://tvtropes.org/pmwiki/pmwiki.php/Main/NotEvenBotheringWithTheAccent
Get a load of his bastard, not on the football but gets to be the mascot I guess
Sean Connery’s irma.