He has waited years, he has grown older, wiser, even more clever if that is possible, but he has never forgotten.
He hears the voice before he sees him. It's the same voice but not; it's older, sadder, strangely fuller, but it's still so familiar it sparks a thrill, jolts him from his quiet place in the sunlight.
He's already coming to investigate when she comes for him and his happiness is already obvious. He allows her to carry him to this reunion, barely containing his impatience when she crosses the threshold and he sees him again for the first time.
He leaps, and finally, finally those arms are around him, that voice is crooning his name, and he is finally, finally home.
Humans all look alike to Ser Pounce-a-lot, but this one is his, and he has never forgotten.