Nebula Mask Machineman (Japanese: 星雲仮面マシンマン | Hepburn: Seiun Kamen Mashinman) is a Japanese tokusatsu television series created by Shotaro Ishinomori and produced by Toei Company. It aired from January 13 until September 28, 1984. It revolves around the adventures of Nick (Nikku), a college student from the Ivy planet (located at the Pleiades) and his arrival on Earth to study the earthlings' behavior. Upon arrival, he is called in for the activities of the evil organization called "Tentacle", whose don, Professor K, wishes to eliminate all children in the world.