Really quick can nemesis be the target of support? Does the healing rules that previous collosials apply to him and the new collosials.

Other colossal figures had special rule sheets that made them immune to certain powers and follow certain rules.

The GSX colossal figs do not have special rules except what is on their character card.

Yeah, what he said!

The new ones do't have that laundry list of things you cant do to them.

On a side note, it is not quite clear what relationship many of those colossals with rules sheets have with Support. For example....

From the Fin Fang Foom Rules:
It has never been explained what that means.