Cartoonish Sci-Fi Romance Character Design

I'm seeking a talented artist to create character designs for six main characters in my sci-fi romance novel. I have mock-ups/inspiration images for you. The characters should be designed in a cartoonish style, but I am flexible!

Requirements:
- Bring my six main characters to life: hero/heroine and supporting characters.
- Aesthetic should be cartoonish.

Ideal Skills and Experience:
- Strong portfolio showcasing cartoonish character designs.
- Enjoy sci-fi/fantasy and romance genres.
- Creativity and attention to detail.
- Ability to incorporate feedback and revisions.

Please include past work in your application.