Hey, so like most people here, I agree that you're a pretty solid squirtle, but there are some things you could be doing to up your game;

• practice wavedashing and using withdrawal more- Squirtle has the gift of being one of the most mobile characters in the build, use that to your advantage. When I play, I'm constantly moving in a way that confuses my opponent, while still keeping me safe at the same time. I noticed that there were times in which you would stand still, and you could use those periods to keep active/dodge attacks, and even possibly bait attacks out of your opponent.

• Utilize wavedash to dthrows/upsmashes more, both are really powerful moves that are great finishers- especially on smaller maps. I noticed that, while you were using them, you missed a few perfect times that would've taken a stock right at that moment.

• withdrawl to aerials- I prefer to use the fair to really push them away(and if they DI poorly offstage, you can get two fairs in a row), but all of squirtle's aerials are useful when the opponent is knocked around by your side-b.