With production on Episode IX scheduled to begin in July, it has been leaked (http://comicbook.com/starwars/2018/06/01/star-wars-episode-ix-new-working-title-trixie/) that the working title for Star Wars Episode IX will be...
trIXie
(http://static.tvtropes.org/pmwiki/pub/images/trixie_boasting_s1e06.png)
...
Well, at least we now know who is the real Master of the Force! :-P