[ Aslan only smiles. It is entirely possible he would have liked that rude man with so little imagination. ]

So it shall be, then. My name is Aslan.

[ Also not very imaginative since it means "lion" in another tongue. Still, it serves its purpose.

As to the other comment, he does understand where the other is coming from. And how. ]

It is not so common. Those who speak with the tongues of Men yet are not of them are often misunderstood.

[ Or judged to be less than what they are. It is the way of things, and he is not blind to it. ]