User blog comment:Riolu-San/Quality Time With Riolu/Top 15 Characters That Should Appear in Season 3/@comment-27517770-20160417202907


 * 1) 5 has to be Lil' Mac.

Two of the Honorable Mentions are Pac-Man and Greninja


 * 1) 2 Somebody from Undertemm, maybe Frisk


 * 1) 8 Cartman, Po, Nacho Libre, Paul Blart?


 * 1) 10 Banjo Kazooie or Ice Climbers


 * 1) 12 Jake the Dog, Mr. Fant4stic, or Plastic Man

Those are my guesses.