Ultra Killers

Ultra Killer®s were formerly sold by Greeney. He also sells Mass.

It is used to kill planets and is used as a threat kind.

Season 1

 * Greeney
 * Saturn
 * Jupiter
 * Neptune
 * Metadexium
 * Pentagonia

Season 2

 * Greeney
 * Saturn
 * Neptune
 * Jupiter
 * Earth
 * Ganymede (briefly)

Season 3

 * Greeney
 * Planet X
 * Enceladus
 * Demon Planets