Kelkie
From Starfy Wiki
Kelkie (ケルキー, Kerukī) is an ability in Densetsu no Starfy 4. It is the first transformation found in the game. Amiiyoshino gives it to Starfy. When using it, Starfy or Starly ride a red seahorse. Kelkie sleeps on the ground when Starfy or Starly aren't riding her. Kelkie is first found in Tree of Beginning (Stage 2-2).
Controls
When no buttons are pressed, Kelkie will sink to the ocean floor. The control pad can be used to move Kelkie left or right. If the A button is pressed, Kelkie will jump up and rise slightly. If the B button is pressed, Kelkie will perform an uppercut attack which can defeat enemies.