Okay what i used here on my wattpad story is i first start off by adding a chapter which identify their names and a POV of their names. if they want to switch i will be putting like for example if it's your POV and you want your character to switch while you are on your POV you can use this method.
HAYADINE: "i HATE YOU" i replied to him in my head while concentrating. "Then hate me no one cares!"
SIMPLE AS THAT. hayadine is my wattpad character