Graphic Design - Customised Cartoon Characters

I require help with designing a suite of custom colourful cartoon characters (with the physical characteristics of Ngaanyatjarra (Australian Aboriginal) Peoples for use in ongoing visual tools - predominantly in health, financial services and sporting pictorials (and potential) animations for our organisation intended for people who's first language is not English

eg. Men, women, children and infants, grandmothers, grandfathers - similar sample images found on line and the documents that we are wanting to create visual tools for attached.