Pluto before Charon was discovered. Pluto is more than twice the diameter and a dozen times the mass of the dwarf planet Ceres, the largest object in the asteroid belt. It is less massive than the dwarf planet Eris, a trans-Neptunian object discovered in 2005, though Pluto has a larger diameter of 2376.6 km compared to Eris's approximate diameter of 2326 km. Determinations of Pluto's size had been complicated by its atmosphere, and hydrocarbon haze. In March 2014, Lellouch, de Bergh et al. published findings regarding methane mixing ratios in Pluto's atmosphere consistent with a Plutonian diameter greater than 2360 km,
The Adventures of Pluto Nash has killed both Marucci and Runa and established his own criminal enterprise. He also states that he was the one who told his henchmen where Pluto was hiding out due to him also inheriting Pluto's memories. When his henchmen arrive and see both Rex and Pluto, Rex kills Mogan and Kelp for their incompetence. He and Pluto then fight while the others are uncertain which is which. Pluto shoots Bruno, and Belcher (who assumes that Pluto would not damage his own robot) shoots Rex. Pluto orders his men to leave and reveals his identity to Dina by speaking of her