You know the scene. In chapter 4, your main character orders a black coffee, and in chapter 19, he drinks green tea while saying he's always hated coffee. Your beta reader flags the inconsistency, you reread both passages, puzzled, and you tell yourself you should have taken notes.
A character sheet exists first of all for that, and it also does something more important: it makes you think through your character before writing them, understanding what drives them, what holds them back, what they want and what they need.
The form-filling trap
Let's clear up a misunderstanding first. The internet is full of sheets to fill in mechanically, along the lines of "Eye color: blue. Height: 5'10". Favorite food: lasagna.", and they don't do much.
Knowing your hero is 5'10" won't help you write a scene of conflict with his mother. What you need to know is why he never calls his mother back, what that says about him and how it will evolve.
Physical details have their place, especially in a long novel where you need to stay consistent, but they come after the psychological foundations.
The five foundations of a memorable character
1. What they want
The want is the character's conscious desire, what they actively pursue and what guides their actions day to day.
Emma Bovary wants a romantic life, passionate lovers and luxury. She knows it, she pursues it, and this desire guides every decision she makes in Flaubert's novel.
Raskolnikov wants to prove he's an "extraordinary man," above moral law. He builds his theory, prepares his act, then commits it.
The want is the surface of the character, what they'd answer if you asked them what they want.
2. What they need
The need is the unconscious need, what the character truly lacks to find peace, happiness or simply to stay on their feet.
Emma Bovary would need to accept reality and find meaning in the ordinary, but she doesn't know it. As Flaubert writes, she confuses "the sensual pleasures of luxury with the joys of the heart," and that confusion destroys her.
Raskolnikov needs to reconnect with other people and be redeemed. It's by confessing his crime to Sonya, then accepting suffering and punishment, that he finds a kind of peace.
The gap between what the character wants and what they need drives your story. If the two coincide, your character has no reason to change, and the story falls flat.
3. The fatal flaw
The fatal flaw is the character trait that keeps the character from getting what they need, and it often stems directly from a past wound.
Emma Bovary suffers from a romanticism cut off from reality. She lives in the novels she read at the convent and judges the world by those fictions, a flaw that ends up killing her in the most literal sense.
Raskolnikov suffers from intellectual pride. His theory of the superior man is a mental construction that cuts him off from his humanity, so his intelligence becomes his worst enemy.
A good fatal flaw is often a quality pushed too far, or a protection turned into a prison, far more than a gratuitous vice.
4. The wound
The wound is the past event that forged the flaw. The character doesn't necessarily talk about it, but it explains why they are the way they are.
Emma Bovary was raised in a convent and fed sentimental novels from childhood, so she never learned to see the world as it is. Her wound lies less in a violent trauma than in an upbringing that prepared her for a world that doesn't exist.
Write this wound down in one sentence on your sheet. If you can't find it, your character probably lacks depth.
5. The character's arc
Ask yourself who your character is at the beginning and who they are at the end. If the answer is the same, they haven't changed.
Changing doesn't mean improving. Some characters go downhill, like Emma Bovary in her fall or Walter White in his corruption, and others return to where they started, transformed on the inside.
Sum up their emotional state at the beginning and at the end in one sentence, for example:
- Raskolnikov: from "I am above the law" to "I am a man among men";
- Emma Bovary: "real life is elsewhere," from beginning to end, since she never changes, and that's her whole tragedy.
What gives a character depth
Once these five foundations are laid, you can add the details that bring the character to life.
Voice. How do they talk? Do they use short or long sentences, formal or casual vocabulary, do they have verbal tics? A character who says "indeed" every three sentences is instantly recognizable.
Habits. What do they do when they're nervous, when they lie, when they're alone? These small behaviors are precious for building a character.
Relationships. Beyond a list of names, note the nature of each relationship: "he admires his father but refuses to admit it," "she loves her sister and is jealous of her." These contradictions create depth.
Appearance. Keep only what means something: the scar that recalls a key event, the posture that betrays a lack of confidence. Eye color only deserves a place if it matters to the story.
Character sheets in Extypis
Extypis offers story element sheets for characters, places, events, themes, conflicts and objects, and you can create your own categories, each with the fields that suit it.
What sets these sheets apart from a PDF or a spreadsheet is their link to the editor.
Character mentions. When you type @ followed by a character's name in your text, Extypis inserts a colored mention you can click to open their sheet directly, without juggling two windows.
Mention charts. Extypis automatically shows how many times each character appears in each chapter, and you see at a glance whether a secondary character disappears for a hundred pages, a classic problem in long novels.
The storyboard. Each scene becomes a card there, which you reorganize by dragging it.
Your characters thus stay alive throughout the writing, easy to consult, to follow and linked to your text.
A template to adapt
Here's a short but complete template. You don't need to fill in everything at the start: begin with the five foundations and complete the rest as you write.
Identity
- Name, nickname, age
- Role in the story (main character, antagonist, mentor, ally, etc.)
Foundations
- What they consciously want
- What they truly need
- The flaw that sabotages them
- The past wound that forged that flaw
- Their emotional state at the beginning, then at the end
Characterization
- Voice: how do they talk, what are their verbal tics?
- Habits: what do they do when nervous, when lying, when alone?
- Key relationships, with their nature and more than just a name
Appearance (if it matters)
- Only the physical details that carry meaning
Free notes
- Anything that comes to mind and has no place elsewhere
The most common mistake
The most frequent mistake is writing the sheet once and never opening it again.
A character develops during the writing, and details surface in chapter 12 that you hadn't planned in chapter 1. Your sheet has to evolve along with them, instead of reading like a contract signed before the first word.
That's why a sheet built into the editor, like Extypis's sheets with their mentions, works better than a separate file: it stays one click away while you write, instead of sleeping in another program or in a forgotten folder on your desktop.
The great characters of literature were born from writers who asked themselves the right questions and kept asking them throughout the writing, far more than from a perfectly completed form.
Hubert Giorgi
Author
The writing studio novelists were missing
Outline, characters, places and objects, the links between them, mind map, scene board, export: everything lives in one place. Plus an AI that knows your story, whenever you want one.
Free to write and to export. No credit card asked.



