Ma beagle was created for the tv show called Duck Tales. Notably, she was voiced by June Foray who also voiced Magica De Spell
on the show.
Her first appearence in the world of comics is in the Brazilian DuckTales #10. First U.S. appearance is on the cover of DuckTales (2011) #1, where she is among other of Uncle Scrooge
's enemies on the cover.