Suggestion: Don't.
I'm leaning towards making it infractable to complain about buffs/nerfs, and to complain about people complaining about buffs/nerfs. The horse is dead.
Join me on the superior bigger brain level of complaining about people who complain about people who... Or go biggest brain and actually talk about the game.
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So my wife is talking about going to Genesis, and spending money on a national means I probably need to be responsible and actually pick a main; I invite you to indulge the narcissism of my story.
I mained Jigglypuff in melee, because I liked aggression and melee Jigglypuff was a very aggressive character in 2007. My timing was bad and my spacing was good, so Jigglypuff fit well.
My focus on spacing made me thrive in Brawl, where I continued playing puff and was the top player in St. Louis for a few years. Brawl Jigglypuff sucked, but had a surprisingly workable matchup against MK and actually countered Diddy pretty hard. I found that I could rely on matchup inexperience against many of her counters. Over time, I started using Ness or Squirtle in her very worst matchups, and twice I used Ganon as a successful personality cp.
When me and Amazing Ampharos made BBrawl, the process required learning a lot of additional characters at a level close to my puff. My Ganon got better, I had to learn Lucas, and I got proficient with people ranging from Bowser to Sheik. (I even had a good ICs by the end, but that character doesn't translate across games well.)
I ended Brawl being about equally good with 6-8 characters, and Smash 4 only made things worse. I broke top 100 at EVO with a mix of Ness and Mac, but also was playing WFT/Palu and picking up DH. DH might have been my best by the end? I stopped attending nationals and spent most of my smash time playing people who were worse than me, and started playing Doc as a slight handicap. Eventually, Doc ended up being roughly as good as my others--way better than my Mario at least. I gradually picked up Robin, Mewtwo, and Corrin in the same way.
Then Ultimate came out and things have devolved into sort of a mess. I focused mostly on the true newcomers, and ended up getting good with random people like Samus too. We're to the point where I play about half the roster at the same level, very unfocused.
(My wife: "GEE, IT'S TOO BAD THERE'S NOT A TOP TIER CHARACTER WHO REWARDS PLAYING DIVERSE PLAYSTYLES. C'MON, HOW IS THIS HARD???")
Yeah yeah, I should probably be primarily playing PT. I do really enjoy the character!
So now I'm focusing on who I want to perserve as secondaries, for specific matchups.

is Ness, with all the good and bad matchups that implies. He'd be nice to train up as a response to Pikachu and PT, and I might prefer him for Wolf?

is fine against Ness and Snake, and A+ vs. Lucas/Plant/Belmonts/KRool/WFT/Ridley in case anyone ever decides those characters exist. Nice against Link and ROB too. She is also supposedly good against Peach??? (In 3.1 Samsora listed Villager as a counter and Isabelle even) I pick her in Squad Strike a lot and she is almost always the unexpected MVP. I have put zero time into this character and am baffled at my performance with her.

is a good character who seems to generally have opposite matchup affinities as PT--he likes fighting slower characters and usually doesn't care what they are trying to do to him from a distance. Certain opponents really have trouble dealing with the unusual cognative load of fighting DH.

is my best overall doubles character. I actually like the Pikachu matchup, even though the 0% part is rough. Wolf, Palu, Chrom too. He generally has the same worst matchups as PT though, so he doesn't bring much to the table as a secondary.

I don't see a place for. He's underrated but the characters he is solid against are rare, maybe I'd use him vs. Palutena? (But PT does fine against Palu, without such extreme stage preferences.) I might keep him around as a personality cp against players who are too greedy with their punishes.

Similar case. How many ICs, Samus, Isabelle, and Mac players are out there?

I'm not sure I could commit to fully. But he does have very attractive matchup spreads that perfectly compliment Ness.
I'm currently leaning towards

+


. I think they cover... pretty much everyone? Not sure how much value there is in maintaining



for what would be primarily personality-based counter-picking.