Neither.While Diamond Tiara acts like a complete bitch she still is a child and childern have alot to develop so she still has time.While Trixie was a ass the first time she showed up she got her cumupments in the end then in her second appearance she was a jackass but her power for vengenace got in her way and the amulet got to her and in the end she got better.So in the end while both act like asses they either have room for improvement or are they good where are