Atom Eve from Invincible
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.
Pony:
A LoRA weight of 0.8 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, red hair, green eyes, superhero suit, pink bodysuit, pink shorts, pink cape, pink gloves, bare legs, pink boots,