Ben 10 - Gwen is Ben in drag

I think that was the case in the original show too. Dunno how intentional it is given that they're the same age and family.

But, going by Mickey Mouse rules, this just means they're meant for each other.

Hey, do you know how hard it is to draw a nose that doesn't look like an abomination? It's way easier to just find something that works and do everything that way from then on out.