Were none the less equally mean ?
hello everyone . . in this sentence " He mashed the livers into a disgusting paste and then stuffed the paste into the doughnuts, Were none the less equally mean "I could understand the first sentence but I don't understand meaning this " Were none the less equally mean " could you explain it for me?
I appreciate your assistance.

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Answer

They were none the less equally mean = Boggis and Bunce and Bean were equally unpleasant/unkind/nasty. None of them were nice, they were all unpleasant people.

mean = unpleasant, not nice, unkind in this context.

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None the less = nonetheless = "anyway"   https://dictionary.cambridge.org/dictionary/english/nonetheless.  Equally = "as much as each other", in this usage.

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oh dear... I made a mistake in the second sentence " Were none the less equally mean" there is part of this context " 
‘Boggis and Bunce and Bean

One fat, one short, one lean.

These horrible crooks

So different in looks

Were none the less equally mean.’
but I don't understand again equally mean?

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It doesn't make sense to me. It is not grammatically correct. You should provide more context. If I had to guess, equally mean would mean they were equally as disgusting/unappetizing.