Free prompt library
Ready-made briefs for characters, ships, found family, AUs, OCs and quirks. Copy one, change the names, and use it for your own writing or in the generator.
This page collects 22 headcanon ideas in six groups that match the generator's types: character, ship, platonic and found family, AU, OC backstory, and quirks and habits. Most use characters from public-domain books and folklore or original characters; each group ends with a template for your own. The ideas are free to read and copy. Running one in the generator costs 1 credit with Claude Haiku 5.5 or 8 credits with Claude Sonnet 5.
Character, ship, found family, AU, OC backstory and quirks, matching the types in the generator.
Examples use characters from public-domain books and folklore, or original characters, so you can borrow them freely.
Each group ends with a template: replace the bracketed parts with your own characters and mood.
Copy it, or press Try it to open it in the generator.
Swap in your characters, keep the situation, and add a mood.
Match the group's type, then pick a short list, detailed or a story snippet.
No generator needed: answer any of these about your favorite character.
Ordinary moments show character better than big events. Put any character into one of these and ask how they would act:
Copy any prompt, or press Try it to open it in the generator.
Sherlock Holmes on a rare quiet day with no case. Everyday habits, comfort routines and what he does when he is bored.
Elizabeth Bennet. Small habits, how she shows she cares, and what she does when she is annoyed.
Count Dracula. The small, surprisingly gentle habits nobody would expect from him.
[Character] from [source]. Personality, everyday habits and how they act around people they trust.
Elizabeth Bennet and Mr. Darcy, five years married. Domestic and sweet, and how they still tease each other.
Two rival bakers in their thirties competing in the same small-town contest and slowly falling for each other. Original characters, slow burn.
Achilles and Patroclus on a quiet evening before the war. Tender and bittersweet.
[Character A] and [Character B], both adults, as a couple. [Mood]. How they show love and how they make up after an argument.
Holmes and Watson as best friends. Found family, inside jokes and how they look after each other.
Robin Hood and his band in Sherwood Forest as a found family. Who cooks, who worries and who tells the stories.
A paladin, a wizard and a rogue who argue constantly but would do anything for each other. Funny.
[Character A] and [Character B] as [siblings / best friends / mentor and student]. Comfort, loyalty and inside jokes.
Sherlock Holmes and Dr. Watson in a modern coffee shop AU. Holmes is the barista who deduces everyone's order.
Robin Hood as the captain of a smuggler starship who steals from rich planets. Fun and adventurous.
Count Dracula as a very old, very polite neighbor in a modern apartment building. Cozy and funny.
[Character] in a [coffee shop / fantasy / space / modern office] AU. Keep their personality and show their new job and habits.
Original character: Tobin Vale, a cheerful 40-year-old baker in a fantasy port town who used to be a royal spy. Backstory and secrets.
Original character: Mara, a 30-year-old lighthouse keeper who collects letters that wash ashore. Where she came from and what she is hiding.
Original character: [name], [age], a [role] in [setting]. Personality: [two traits]. What shaped them and what they want.
Dr. Watson. Small quirks and nervous habits, what he carries in his pockets and the phrases he overuses.
An original pirate captain in her fifties who is secretly terrified of parrots. Quirks and habits.
[Character]. Quirks only: comfort food, sleep habits, how they text, pet peeves and the odd skill nobody expects.
Yes. Every idea and template on this page is free to read, copy and adapt. Running an idea through the generator uses purchased credits: 1 credit with Claude Haiku 5.5 or 8 credits with Claude Sonnet 5.
Sherlock Holmes, Elizabeth Bennet, Dracula, Robin Hood and the heroes of Greek myth come from public-domain books and folklore, so anyone can use them. Swap in characters from your own fandom with the templates.
Not as romance. Ship ideas here and in the generator are for adult characters only. For younger characters, use the platonic and found family ideas instead.
Paste any idea into the generator. A short list with Claude Haiku 5.5 costs 1 credit.
Last updated October 29, 2026
