An instance of "Stanley" being spoken has not yet been located. This name supposedly appears in closed captions attributing aomething he says in an early American "Polly" version of an episode. It does not appear in the later Canadian "Frankie" version of said episode.
Aside from his daughter Frankie calling him dad:
Zhu Got Game, Pipsqueak: "I did get more cereal stuck to dad's face than anyone else in history."