I mean they all have their roles as defined by;
"Now Lorkhan had by at this point seen everything there was to see, and could accept none of it. Here were the etada with their magic and their voids and everything in between and he yearned for the return to flux but at the same time he could not bear to lose his identity. He did not know what he wanted, but he knew how to build it. Through trickery (“We have made the Aurbis unstable with the voids”) and wisdom (“We are of two minds and so should make a perfect gem of compromise”) and force (“Do what I say, rude spirit”), he bound some of the strongest etada to create the World."
Talos can represent wisdom (Shezzar), The Underking can represent trickery (Lorkhan and this fits nicely as his heart was used to power Numidium) and Wulfharth can represent force (Shor).
Old news?