I don’t know that I have just one favorite illustrator. One illustrator I really like is Teo Skaffa. https://www.instagram.com/teoskaffa/
I’ve tried a few times to recreate his style- for example, this painting of his:
I attempted to recreate in 3D, with decent success:
I think the edges of the bushes could look a lot better, and the creature sitting on the lamp has a 3D look that I don’t really love, but I think I did a decent job capturing the painterly look on the bottom half.
Another attempt I did a long time ago:
I never finished this, as my hard drive crashed part way through and I wasn’t backing things up at the time, but I did make some progress, although I think I could better translate this to 3D now with more experience:
