Re: Romulans as portrayed on Enterprise
I always figured that the Romulans should have been the ones using the Suliban to stir shit up during the series instead of Future Guy/People.
Replace the whole "Temporal Cold War" schtick with the Romulans secretly trying to keep the quadrant destabilized and you're set.
"Don't do it, Meat!"
"Don't do it, Cheese!"