What career are we exactly or basically talking about here?

This is a business career.

You say "no cartoons". What do you define as a cartoon?

Here are some examples of what I think cartoons are. Hopefully this helps.

https://www.behance.net/gallery/19280969/shanli-20140825

https://www.behance.net/gallery/19376141/The-Wonderful-WIzard-of-Oz

https://www.behance.net/gallery/18284479/Drawing-for-cover-IPhone

https://www.behance.net/gallery/19567471/TRUNKS