I write Extra Credits and I just figured I'd drop this off here...
http://iwataasks.nintendo.com/interviews/#/w…

If you want to dig deeper this is a fantastic interview with Miyamoto about some of his design decisions.

Yeah, tragically Extra Credits on Youtube & on Twitter were being squatted when first started up so we just threw on a Z without ever thinking it would ever get this big... God I hate that Z now.