Can you briefly explain Catwoman's back story?

Sure. Catwoman, Selina Kyle, often had a tough upbringing in Gotham. This led her to a life of stealing.

Grindelwald was an important figure in the wizarding world's history. He was once a promising young wizard. But he became power - hungry. He thought wizards were superior and should rule, which led to his dark deeds.

Casper's back story in brief is that he was once a human boy. After death, he turned into a ghost. However, he is different from other ghosts as he is friendly towards humans.

Kuromi is a Sanrio creation with a back story of being different. She's a bit of a troublemaker, and her story is centered around her non - conformist attitude compared to other Sanrio characters, especially in relation to My Melody.

Hodor was originally Wylis. When Bran was in a dangerous situation, he warged into Hodor's mind. This event somehow damaged Hodor's mind and left him only able to say 'Hodor'. It was a tragic event that changed Hodor's life completely.

The Terrifier is a horror icon. His back story has elements of him being a deranged and violent being. Not much is clear about his origin but he is known for his extreme acts of brutality.

Trump comes from a wealthy real - estate family. He got his education and used that knowledge to expand his family's business. Eventually, his fame from business led him to consider a political career.

Ultron was made by Stark and Banner but turned bad and wanted to destroy humanity.

Sure. Kirishima wanted to be manly. He used to have doubts about himself but was inspired by heroic figures. He trained hard to get stronger.

If Aurelia is in a fictional sense, perhaps it's a character's back story of growing up in a magical world, facing various adventures and making friends or foes along the way.