I’d say one thing; creativity.

Creativity can be a complex challenge, but can be a perfect payoff if you fully commit to it.

This will have to involve such as using inspiration and references, as well as other forms of concepts in order to understand what makes an original character ‘original’; what would your character look like? What’s their special feats? their personality? Will they be spooky, cutesy or goofy? etc.

TL:DR: Just use the knowledge in your brain and form them into concepts for a character.

I guess just choose your favorite color & have that color throughout, or like something that inspires you, like space or something, then you’d have kind of a space theme

add a scarf