1. Decide which genre your character will be in.
Is it fantasy, action, comedy, etc.?
2. Answer the following questions: What is this character’s purpose in the story? Why is this character needed in the story?
3. Decide what purpose your character serves. Are you creating a main character or a supporter? The object of affection or a despised enemy to a main character? By deciding what role your character plays in the story beforehand, it is easier to create a personality to fit that role.