Choose the character’s purpose
Decide the genre and setting
Pick a name
Define age
Define gender identity
Define species or race
Define appearance
Define personality traits
Define strengths
Define weaknesses
Define skills or abilities
Define backstory
Define goals
Define fears
Define relationships
Define moral alignment
Define habits and mannerisms
Define voice and speech style
Define clothing style
Define weapons or tools
Define home or origin
Define secrets
Define flaws
Define character arc
Refine the design
Test consistency
Write a short profile