Cartoon Character Head Drawing

I need a cartoon character head designed representing a dreadlock rasta "weed head" basically a who looks high from smoking marijuana that people could easily recognize what this 'mascot' represents. This needs to be a very cutting edge urban character who will be used for a t-shirt and branding campaign. Must be fully original work done by artist and copyrights signed over to me at end of project for full payment. Half upfront. Only bid if you have previous examples of likewise cartoon character designs or have a rough draft you can send me.