The default Alph represents Li'l Blue, a tiny alien protagonist in Chee-Chai Alien with a blue color scheme.
The stage and music track represent Electroplankton, a handheld Nintendo game where the player can interact with tiny lifeforms similar to Chee-Chai Alien.
The Low Gravity hazard references how Li'l Blue is originally an alien from outer space, which features zero gravity.
Other trivia:
This spirit's Fire/Explosion Resist ↑ ability references how Li'l Blue is a humanoid drop of water, which can extinguish fires.
