Morius

Morius is the other Ita, in that he represents the other concept that is unlike yours. the inversion of your own and the differences between your opinion and another's. He is the one that offers you and perhaps wants you to be different. Which Ita does not want. He is more and the extra parts your not interested in.

While Morius may appear like your enemy, he isn't because he simply wants it another way and like Ita will try to get what he wants. This is also why their are many wars, because their are two views and one wants to get what the other does not. Therefore these two are constantly at battle in this world. 

While Ita stays where she is, Morius makes more from either nearby things or even inversions of them. Then both wonder why they can't have what they want, because Ita says no and Morius yes. This is a fundamental problem for both parties, that the other wants something else and they don't and sometimes really don't want it. 

The problem is that Morius is the same as Ita, because she is it and Morius is just another version of it. While Morius dictates that it be his way, she dictates it be another way. Both are inversely responsible for the suffering of the other, because sometimes Ita has power over her brother and at other times it is Morius who rules. 

Even that system, is an Ita or Morius that does not want to be replaced, while others are for another and this is what Morius represents. The other Ita, most will say that Morius is wrong from the perspective of what they see, but others always say the opposite and that Morius is true.

This is the consequence of a world with many things to choose from, because both Ita and Morius are in the same city and forever want what the other does not, this itself is a Morius and Ita that can exist, but it is not what other wants. Some want it to be just Morius and others just Ita.

Things only grow worse with the third sibling, but the point here is that Morius is the other Ita, the other choices you could make that others choose.

Other than this Morius represents the inversion of an idea you already have, meaning its opposite idea. This does not always mean its bad, simply opposite to it.