Cathleen Bate (Star and Stripe) - My Hero Academia
Keep in mind that settings may vary slightly between different versions. See below for more details.
When I tested this with different checkpoints and LoRAs, it seemed to work quite well.
Illustrious:
A LoRA weight of 0.9 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, blonde hair, antenna hair, brown eyes, red mask, domino mask, superhero, muscular female, striped cape, red and white top, striped top, multicolored top, american flag print, yellow waist, red armguards, blue pants, hsuit1,
Pony:
A LoRA weight of 0.8 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, blonde hair, antenna hair, brown eyes, red mask, domino mask, superhero, muscular female, striped cape, red top, white top, striped top, multicolored top, american flag print, yellow waist, red armguards, blue bodysuit pants