Margalo

Stuart in his car and let him drive off the end of the page in search of Margalo the bird, he changed the world of possibilities for children’s literature to comemaybe for all literature.

Michael Hoeye Discusses How Time Stops For No One Got Written 2010

I remember wearing human clothing and being in love with a bird named Margalo.

Asimov's Science Fiction 2004

And while that story, according to Pippa, ends with Stuart looking for his friend Margalo, the story never says whether or not he ever finds her.

Asimov's Science Fiction 2004

and let's not forget E.B. White's Stuart Little, who subbed one day on his way to look for Margalo.

100 Cool Teachers in Children's Literature Mary Lee 2006