Tips about a character's background and how to use that character can appear at random intervals on the loading screen. The player can also access the full list of tips at any time in the "Vault" section. The tips regarding Squirtle are categorized as tips for Pokemon Trainer.
Squirtle's Origins: Squirtle debuted in Pokemon Red and Blue, released in North America in 1998. it's a Tiny Turtle Pokemon that excels at Water-type moves.
In Its Series: Squirtle is one of three Pokemon you can get from Professor Oak in Pokemon Red and Blue. Squirtle was one of the few Water-type Pokemon you could get until you got a Fishing Rod.
Water Gun (Neutral Special): Squirtle shoots water from its mouth to push opponents away. It doesn't do any damage, but it's great for interfering with opponents trying to return to the stage.
Withdraw (Side Special): Spin across the ground quickly to tackle opponents. Squirtle won't take damage while it is in its shell.
Advancing with Withdraw (Side Special): Tilt the control stick in the opposite direction of the movement to shorten the distance you slide. If you hit an opponent or their shield, you will be reflected.
Withdraw's Weakness (Side Special): If Squirtle gets stepped on from above, it will flip over and become completely vulnerable. Squirtle can't move until it gets back up, leaving you wide open to attack.
Waterfall (Up Special): Tilt the control stick forward or backward while rising up to slightly change the angle you rise. It can be used as a recovery move, but it can also be used to attack opponents above.
Triple Finish (Final Smash): The three Pokemon combine their powers for this Final Smash. Squirtle's Hydro Pump is wide, covering the top and bottom, and can draw in opponents.