Question

Thoughts
What kind of thoughts does the character have and what do these thoughts say about the kind of person they are?
Effect on others
How do other people act around this character? What do you think it says about them that people act the way they do around them?
Actions
What does this character do that shows the kind of person they are?
Looks
What does this character look like? How do they dress? How do they carry themselves? What does that say about who they are?