For Flux: use SD99style, kept the same tags as below but removed the pony tags.Testing to see if it got multiple characters. Trained on the classic movie Scooby-Doo! and the Witch's Ghost.
Probably won't work well with every lora but adjusting strength should help 0.8-1
Tags to use: SD90style, retro artstyle, source_cartoon, 2D
Characters
scooby-doo_(character), dog, brown fur
Shaggyrogers, chin stubble, green shirt, brown hair
Fredjones, white jacket, blue shirt, blonde hair
velmadinkley, turtleneck sweater, orange sweater, brown hair
DaphneBlake, red lips, red hair, blue eyes, skirt, jacket
Thornhex, black hair, red highlights, fangs, goth fashion
Duskhex, Green lipstick, no eyebrows, green earrings,goth fashion, blonde hair
Lunahex, purple dress, hoop earrings, short hair,goth fashion