anomalous: Someone interpreted the number of fingers as a gauge of a character's "innocence". So the more innocent a character is, the less fingers they have - Dipper and Mabel have four, Grunkle Stan has five, and the numbered books have six. Or maybe it's just for shits and giggles. Or part of the plot later on. I dunno.
Anonymous4: From an animation point there may quite literally be no point. The concept of four fingers in cartoons was to cut corners when animating and make it easier and it developed from there.
Anyone know why?
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>Or part of the plot later on
Unlikely
>shits and giggles
probably
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It's like he is an enigma which fluctuates between them.