Ok so I ma give you all my character sheet so basically this will have spoilers for Disney's Encanto your OC can be any age this au of mine is after Encanto where abuala has passed away a Mirabel is an adult now so you can be any person in Encanto's child if you want to be Mirabel's younger sister you can you will be aged up tho.
My OC:(you can use this sheet)
Name: Coco Madrigal
Gift: water control (basically she can do what moana does with water in moana and she can also turn water vapor into liquid water making it seem like water out of midair.)
Parent(s): Camilo (shapeshift)
Apearence: dark skin long wavy hair brown eyes and hair. Wears a long frilly dress that looks like I mix of her abuala pepa's dress and Tía Mirabel's dress but a sky blue
Personality: she has a kind hearted adventurous attitude and her emotions come is kinda waves.
Room(optional): a sandy beach with some palm trees a hammok bed.