
Answer:
If you have to make the person up...
Explanation:
It could be about a person who is under a spell, and they cannot tell the truth, and someone has to break it
It could be kind of like a Pinnocio person, and lies for certain reasons
It could be about a person who is very insecure and lies to make people like them
Or maybe it could be something extraordinary, like a person who lies all the time, but ends up saving the day because of it.