Logo Modification and Creative T-Shirt Design

I need a designer who can modify my existing business logo and create some unique t-shirt designs. The t-shirt designs should be creative and not restricted to a specific style.

Key Responsibilities:
- Modify the color scheme and some design elements of my current logo
- Create cool and unique t-shirt designs for adults

Ideal Skills:
- Graphic Design
- T-Shirt Design
- Logo Modification

Please provide examples of your previous work in your proposal.