I often start building a character by seeing a face that captures my attention. I try to pay attention to my first impression. When I see that character, what do I think first? Major villain? Kindly grandmother? A hero? Or the hero’s best friend. So when you look at this portrait, what’s your first impression: protagonist or antagonist?
I won’t prejudice you by giving my first impression; I’ll put my initial reaction in the comments.
Here are more tips and prompts for writing characters.