Trained on PonyDiffusionV6XL.
Default appearance: aluHS, red hat, black hair, glasses, orange-tinted eyewear, red trench coat, red ascot, collared shirt, white gloves
More possible tags: black pants, formal, suit, hair over one eye, fangs, sharp teeth, vampire
Check the samples for more ideas. His sleeves are a bit baked on some outfit changes, lowering the weight can help a little.