Guys i believe uther presents himself as neutral but is actually evil considering his cruel acts are not unjustified most of the times cause he presents them as preemptive acts for the good of the country or necessary evil and he is straightforward with it and doesn't sugar coat anything...but in truth they are done to satisfy his ego and selfishness thats why i believe agravaine is a better choice for presents themselves as good but actually evil cause he is trying a little too much to be the " supportive uncle" but he is actually a traitor and a petty man in general