Cartoonish Character Postcard Design

I need a two-sided postcard ready for printing.

Requirements:
- One side: 5 cartoonish characters. Characters will be a mix of nationalities.
- Style: Bright and vibrant colors
- Other side: Simple text
- Font: Open to creative suggestions

Ideal Skills and Experience:
- Proficiency in cartoonish art styles
- Strong use of bright and vibrant color palettes
- Experience in typography and layout for print

I'm looking for creativity and professionalism. Please share your portfolio with your bids.