Xander was born in Wonderland and love its wacky and weird ways. It suited him to a t. However it wasn't meant to be.
He was Madder then his father, he didnt play by the rules. He did things that were illegal from a young age and was soon caught out for killing the local animals and was sent to Auradon for a trial and then was sent to the isle. He was 8 at the time.
He grew up on the isle alone, he lived on the streets, stealing clothes and food just to survive and if anything it made him more crazy.
He didn't know how to make friends, how to interact with others and people tended to stay away from as he wasnt the most stable person on the isle.
Xander was the result of a fling that happen while his father was young and doing one of his jobs. His mother didnt want to keep him and dumped him with Jefferson. They had a close bond but there was always something not right with Xander.
As he got older, he snuck out alot, doing crimes around the neighbouring village, finding it was the only way to calm him. No-one knew it was him until the Evil Queen caught on and decided to use him. She wouldnt lock him away in a cell to rot if he would do anything she asked, including killing and he accepted being a loyal follower to the Queen without his father or little sister knowing.
When the dark curse happened, Xander kept all his memories due to his loyalties to the Queen but he acted like everyone else and lived up to this fake life he had been given.
He wasnt to remember his father or sister. His name had been changed to Elliot and he was a simple entertainer, a street performer to public. He was content with his life, because he knew it could be much worse.