Talk:Summer Rose/@comment-26499992-20151024162614/@comment-4806269-20151025152323

^ Agree. In fact, this is valid for most (if not all) Latin American countries + Spain. All of us take both paternal and maternal surnames, and it's more common to use the paternal surname in signatures, though the maternal one can be used as well. In fact, it's common that when a child comes from a single-mother/father family they duplicate their chosen surname, or even take the surname of a fellow relative that take care of them (such as the one of a grandparent/grandmother).

Stop being so USA-centric, remember that RWBY and its characters draw inspiration from several world cultures and ethnicities, not just the US, so there's plenty of possibilities about why they go by those surnames.