Unity Game Reskin Needed

I need an experienced Unity developer to reskin an existing game.

Requirements:
- Reskin characters, backgrounds, and user interface.
- Implement a new theme (fantasy, sci-fi, cartoonish).
- Modify or create new audio assets (music and sound effects, or only sound effects).

Ideal Skills and Experience:
- Proficiency in Unity.
- Strong graphic design skills.
- Experience with audio asset modification and creation.
- Ability to work within budget and deliver high-quality work.

Please provide a portfolio showcasing similar projects.