Roman

After a certain unfortunate incident, the normally confidant Roman began hating parts of himself so much that he decided to take away those things and lock it into the mirror, costing him an eye and ridding him of quite a few important emotions.

He believed himself to be fixed and was living quite satisfyingly, until he discovered that his mirror image had a mind of it's own and was the parts of him that he so desperately wanted to get rid of.

His mirror self (sometimes refered to as Namor) is quite unsatisfied being trapped in a reflection of the real world and wants to escape. He knows how too, but Roman doesn't want to let him have his way. Because of this they often bump heads.