Characters based on multiple cultures from around the world. I have twenty so far, I still need to create the rest. I'll use this picture as a reference:

http://www.deviantart.com/art/Artwork-Commentary-2-Music-and-Cultures-420912603

Europe:

Iberian (Spanish, Portuguese)

Western and Central Europe (French Latin, Germanic)

Italian (Latin)

Eastern European (Slavic)

Scandinavia (north Germanic, Finno-Ugric)

Byzantium (Greek, Armenians)

British Isles (Gaellic)

Indo-Aryan:

Persian (Iranian, Aryan)

Hindustan (India, Aryan)

Semitic:

Arabic (Bedouins)

Jewish

Mesopotamian

North Africa:

Maghreb (Berber, Tuareg)

Rest of Africa:

Western Africa (Mali)

Eastern Africa (Abyssinian)

Asanti

Kongolese

Swahili

Altaic:

Mongol

Turkic

Steppe People like the:

Cumans

Kypchacks

Bulgars

Pechenegs

East Asian:

Chinese (Han, Cantonese, etc.)

Japanese (Including Indigenous people)

Korean

Manchu

South East Asian:

Malay (Javanese, Minangkabauan, Malaya)

Indochinese (Mon Khmer, Vietnamese)

Thai.

Rest of Asia:

Burman (Tibetan, Burmese)

America:
North American Natives

Mesoamerican (Aztec)

South American (Inca)

Carribean Natives

European Settlers.

Others:
Pacific Islanders

Austronesian

Native Artic (Tusgusic, Inuit)

Polynesian