Kyle Menke, a concept artist, developed preliminary artwork for the production of Phineas and Ferb: Star Wars.
- Twitter post by Dan Povenmire (@DanPovenmire) on September 12, 2022: Displaying "Some of Kyle Menke's pre-production artwork For the Phineas and Ferb Star Wars special. The idea was that the Dianoga was a Doof's pet and he kept it in the backpack. We cut the whole concept but always loved this piece." (backup link)