:/ I feel a little stupid that I never noticed this. · 8:56pm May 19th, 2014
Just now, literally half an hour ago, I realized that the Pie children are a direct reference to a popular 1980-debuting arcade classic... Pinkie calls two of her sisters 'Inkie' and 'Blinkie', her other sister's name is Maud, which does not fit with the trend. Their father is either named Clyde or Clydesdale... I know not which, but that is very similar to a certain dot muncher's enemies...
The fan names are Inkie and Blinkie Pie, and of course, Maud, since she's the eldest and the more conservative of the pie siblings. The parents are named Cloudy Quartz (Mom, Sue) and the dad is named Igneous (Clyde) Pie.
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I'm fairly certain I remember something about Pinkie referring to her sisters as above... I don't remember what episode, though... I'll find it some time maybe...