User blog comment:PaperMarioFan1000/The Official Season 3 Villain List/@comment-27480112-20170606015444

I'll just include room exclusives, I suck at villains.
 * Paintermaster
 * Big Brother
 * And much more.

Dark Jaiden will be staying, though, as a random badguy. Puzzleman might return, more powerful than ever.