Pablo Leon is working as a background artist for the series. His website says he's worked on Danger And Eggs, Muppet Babies 2018, Dorothy And The Wizard Of Oz, DC Superhero Girls 2019, and Animaniacs 2020.
Michelle Park is an art director for the show, building off what was established before. She's previously worked on Gravity Falls, Star Vs The Forces Of Evil, as well as Arlo The Alligator Boy and I Heart Arlo.
I know this is a weird long shot and I doubt you'll even get this message, but I'm doing some lost media research and I have very few leads. Some old forum posts that came up on a Google search lead me to believe there's a small chance you may be able to help.