SC's vs Thugs

[OG_Gleep]

From a lot of responces, an SC is not dertmined by the mob, but by the effects it has either natural or with equipment, or for the effects it CAN have via buffs?

But on the other hand, from the other threads, certain mobs are always going to be classified as Thugs, such as Banelords, no matter how they are equipped.

Out of all the possible units in the game, there must be a huge list of units that will "never be SC's", a small list that "Could be SC's", and an even smaller list that "Will always be considered an SC".

One person mentioned the 3 stats (Prot/Attack/Def). Is that where that line is drawn, at statistical markers? Does Hitpoints play a factor at all? Are there certain effects that must be present?

PS. I looked at most of the threads on the subject, but no one really defined where the line is drawn. I'm more trying to determine what column to put the various units in.