The white Squirtle represents Eddy, a water-based character with a light blue color scheme.
The stage and music track represent Electroplankton, which features a pool of water, similar to the pools of water featured in the Fluidity series.
The Screen Flip hazard reference the main gameplay of the Fluidity series where the player can move the pool of water by tilting the screen using their controller or console.
Other trivia:
This spirit's Support and Shield types reference Eddy's role in Fluidity: Spin Cycle by rescuing the Rainbow Spirit from the evil Goop.
This spirit's Water & Ice Attack ↑ ability references how the player can control the water and its icy frozen state in the Fluidity series.
