New unit model for Guardsman Squad?

[Helios]

Secondly he buffs the GMs squad's health and adds another two models, further increasing their health and damage.

This is either redundant or incorrect. He does not buff health, except by adding two more models because of their own independent hp.

[Torpid]

He adds 140hp on a die-last model, that's not quite as good as a passive hp buff, but it's better than just added a 140hp model.

[[EL] The Emperor]

I think we established the Vox-caster, and Commissar are and would be two completely different units, and buff types in regards to the GM squad .