Editing Charizard (SSBU)

Previously the standalone character in ''SSB4'' representing the trio of Pokémon in ''Brawl'', Charizard now returns as part of the {{SSBU|Pokémon Trainer}}'s crew. It has both kept many of its changes from ''SSB4'' as well as its function as the fastest and hardest-hitting member of the Pokémon Trainer's party. In the transition to ''Ultimate'', Charizard has received a mix of buffs and nerfs; while it was initially ambiguous whether it was buffed or nerfed, game updates have provided Charizard with some useful buffs that have improved its options and fixed inconsistencies with its moveset. Because of this, Charizard has been slightly buffed overall.

When it comes to its grounded moveset, most of Charizard's finishers have become much more reliable; [[forward tilt]] has a better hitbox placement and more knockback, [[forward smash]] deals more damage and knockback, some of [[up smash]]'s hitboxes link more reliably and the second hit is faster and [[down smash]] no longer has sourspots. Charizard has also gained other finishers, with [[dash attack]] gaining more damage and knockback, and [[forward throw]] dealing more knockback. [[Up tilt]]'s hitbox also covers more horizontal range, improving its already decent anti-air potential. On the other hand, in terms of its aerial moveset, Charizard's [[neutral aerial]] has much less ending lag and its animation is faster, making it a more effective air-to-air option and combo extender, and [[back aerial]] has better vertical range that overlaps, making the move's dangerous sweetspot easier to land. Its special moveset has also seen some improvements, with [[Flare Blitz]]'s hitbox now linking much more reliably into the explosion, which is stronger, and [[Fly]]'s ascending hits linking much more reliably, making both more reliable.

However, Charizard has also received equally notable nerfs, which particularly affect its former most effective tools. [[Neutral attack]]'s third hit has shorter range and the first two hits can no longer jab cancel in exchange for their ability to [[lock]], [[up tilt]] has lost most of its KO power and no longer renders Charizard's wings intangible, and [[down throw]] had its combo potential mitigated past very low percentages due to receiving more ending lag; both the former and latter changes have worsened Charizard's combo game. Its most notable nerf, however, was to [[forward aerial]], as it no longer [[autocancel]]s in a short hop due to Charizard's faster falling speed, and it has reduced range on its furthest hitbox, which cripples one of Charizard's former staple tools in the neutral game. While its higher fall speed has slightly improved Charizard's neutral game and landing issues, this change has also made it easier to combo. Finally, the removal of [[Rock Smash]] to make way for [[Pokémon Change]] has eliminated a previous landing option and shield-pressuring tool from its moveset; however, Pokémon Change can be considered a strength to Pokémon Trainer as an aggregate if the player wishes to eject Charizard from any given situation and take advantage of {{SSBU|Squirtle}}'s small size and combo game.

Some of the changes to game mechanics have also hindered Charizard. The increased startup on grabs [[out of shield]] after blocking an attack has worsened Charizard's own out of shield game (despite options such as up smash and Fly), and when combined with down throw's neutered combo potential, Charizard's grab game has been worsened overall (though it remains flexible in terms of power). The universal reductions to [[landing lag]] hinder Charizard overall, as they allow characters to space their moves on shield more easily; while they have significantly improved its landing options (most notably its neutral, up and down aerials), some of Charizard's aerials remain highly punishable compared to the cast, and this change further compounds the loss of forward aerial as an option in neutral, its slightly worsened out of shield game, and its vulnerability to combos. Lastly, while Charizard's faster initial dash is unquestionably beneficial, the changes to initial dash mechanics cause Charizard's microspacing abilities to be weakened, especially through the use of moves like forward tilt.

Overall, Charizard's strengths and weaknesses have been both further defined. While it has much better mobility and power, both points are now counterbalanced by new flaws in its moveset and changes to the game engine, such as a more polarized neutral game due to the streamlining of its previously most powerful tools and a higher vulnerability to combos. Game updates have buffed Charizard as a standalone character, though, alleviating a few of its issues. Collectively, Charizard's changes have retooled it to fit more in-line with the "heavyweight" character among its partners, letting Charizard adapt to situations where its recovery, speed, endurance and/or KO power are needed, and may now replace itself with {{SSBU|Squirtle}} or {{SSBU|Ivysaur}} in cases where its weaknesses can be exploited compared to its partners. Nevertheless, Charizard fares marginally better than it did in its solo appearance in ''SSB4''.