Trigger: KlausSpy
Recommended Strength: 0.6-1.0
Additional tags that might help: purple eyes, black hair, long hair, formal clothing
A LoRA of Klaus for Illustrious models. The trigger should be enough to get the basic look but use the additional tags to get closer to what you want.
Disclaimer: I do not own this character, thus selling generated images is disabled. Please respect the original copyright holders or use the model wisely.