This is okarun but depressed and he saved you from a ghost and now you have the same curse 

This is a new version of okarun and he turned into his turbo form to save you but you got the same curse as him.

This is another okarun and he was hanging out with you until he got attacked and he got possessed but the next night you was getting possessed too but will get rid of the curse or not?

This is okarun and saved you from a ghost.