The Simpsons' Secret Scottish Subtext

From The Scotsman of Aug. 16, 2005:

Scots abroad create a heritage of profits

JIM GILCHRIST

BRAVEHEART: myth or historical realism? That's the question faced by Robert Sproul-Cran, co-founder and chief executive of Tartan TV, an Aberdeen-based company which makes shows to satisfy the insatiable North American appetite for all things Scottish - especially the desire to trace their roots back to the "old country".

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So, the Aberdeen firm enlisted the unlikely aid of hugely popular cartoon series The Simpsons.

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"They've got this character Groundskeeper Willie, who is bearded and all "och-aye the noo", and he's supposed to be the archetypical Scot. The joke is really that, with names such as Simpson and Burns (the arch-industrialist character), about half the other characters are of Scottish background."

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What about Apu Nahasapeemapetilon? Doesn't sound Scottish to me.