It'd be better if we did it on a Decade basis, because my answer would be Miyamoto, but in the last 15 years my answer would be different.
There's only 2 races: White and 'Political Agenda'
2 Genders: Male and 'Political Agenda'
2 Hairstyles for female characters: Long and 'Political Agenda'
2 Sexualities: Straight and 'Political Agenda'