You can pick any characters from the list of musicals that i listed in the rules page you can have up to five characters (For ocs you can have as many as you want)

Jason Dean: Me!
Elizabeth I:Me!
Lydia Deetz: Me!
Karen smith: Me!
Katherine howard: -justgrey
Janie grey: -justgrey
Phillip Hamilton:8Philip20Hamilton4
Anne Boleyn: mini_annie
Cathrine parr:thatlonelycucumber2
Gretchen wieners: ilovedmyfishpiggy