So long as you're willing to add "and the Mario community" to that, I can accept that answer. You have no idea how much of Geno I saw before I actually got to play Mario RPG myself, and it certainly wasn't due to Smash.
If you want to argue echo chamber for two of some of the most popular franchises in all of gaming, with a lil bit of Final Fantasy sprinkled in there... Sure. "Echo chamber".
See, I was about to let it go until you put quotation marks around "echo chamber". And now I feel you're taking an objective observation personally. If I change the term will it not come off as harsh? Because I'm really not trying to come off as harsh but I feel like I'm still not being understood.
Here's an example. Geno is popular within this community-- and Mario's, sure, if you want to, though that's a stretch considering the worldwide appeal of the franchise to casual audiences who have no idea what the **** a Geno is-- in the same way, say, Rebecca Chambers is in Resident Evil. Many who know and love Resident Evil know who she is from the minor role she played in the original and her starring role in the prequel. When she was added to Mercenaries Reunion in RE5, her fans were ecstatic. This is all great, and she's popular. Woohoo.
If I were to then say that Rebecca Chambers is
the most popular Capcom character, though, I'd be so wrong. She's not even the face of her own franchise, nor is she a recurring character outside of her small role. Far, far, far more people can name Jill Valentine or Leon S. Kennedy than they can Rebecca Chambers. Even more people can name Ryu. Or Mega Man. Doesn't diminish her fans (me), but saying that she's the most popular, or even
one of the most popular, characters is a measurable falsehood. It's not meant to be negative at all, and this observation doesn't diminish her or Geno's "deserving" of a roster spot in their respective games. I hope he gets in. But "most popular?" Not by any measure outside of the Smash community during hype cycles. And comparing his popularity to the likes of Final Fantasy is like a squirrel picking a fight with a family of bears.
That's not a bad thing at all! Everyone loves an underdog. And liking a lesser-known character makes it all the more personal for you. I know, because my Smash wish was Daisy. And I wanted Daisy
so badly-- but I never kid myself into thinking she was more popular than Pokemon. Or even Peach. Or... Toad. I hope Geno fans get the same moment I did when I saw Daisy come onscreen. Because it feels amazing.
But c'mon. Most popular? C'mon.