From the Super Mario Wiki
Retrieved from "https://www.mariowiki.com/index.php?title=Gyātoru&oldid=2560425"
Gyātoru (ギャートル) are enemies from the game Donkey Kong for the Game Boy. They only appear in the Tower in Stage 9-3. Just like Snipers, they walk around the environment in circles, walking up walls and on ceilings in the process. They kill Mario if he touches them.