Hello,
my name is Liliana, i have over ten years of experience as a designer, and what i like most is illustrate, that's why i like this project.
Please, visit my Freelancer portfolio https://www.freelancer.com/u/webpolis.html
to see some of the illustrations and characters i made for games, in order to evaluate my work.
I can send you more samples, if you want to or the test that you requested for this project.
I use Illustrator for this kind of projects, i can deliver you the images as vector format, and also saved as any other format you may need, like JPG, or transparent PNG, for example.
I found this project really enjoyable and interesting, and i would like to create originals, expressive and unique creatures for your game.
I hope we can work together, please, contact me if you have any questions, or if you want to see some more of my work, or the test for this project.
Best regards.
Lili.