Trained on a mix of images, most of which might be considered 'eye strain art' but which trend toward a more simplistic cartoon-like aesthetic. It's intended to produce interesting color combinations and aesthetics, and possibly destroy your eyes.
I've had good results on Dreamshaper and a few other models; though results are more mixed on others. Your mileage may vary. As always, experiment with different models, strength, and CFG, to find your personal sweet spot.