You know, to make him fit more with a more realistic look, why not use the redesign in the fan-art? Besides, it just looks way more cool and way more robotic that way.
Oh, and for voices, I think this will be very hard to accomplish, but find someone who could do Japanese. And make him say a lot of "thank you"s in Japanese.
Oh, and for voices, I think this will be very hard to accomplish, but find someone who could do Japanese. And make him say a lot of "thank you"s in Japanese.