They are "enchi-ish", but not quite. I think it's the banding that brings enchi to mind, but in some of them, the bands look like they've been poured on.
No enchi in mom or dad. Here are pics freshly taken with my iPhone:
The het hypo mom
Chico shown next to an enchi hypo
And here's an old photo of Chico (looks like he lightened up quite a bit over time)
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