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