They’re a pair of pegasi brothers who used to live in Equestria a long time ago, but they began to feel a huge obsession for  
weapons and their use was what provoqued that the darkness of their hearts expanded to their souls, they have been exiled  
by princesses Celestia, Luna and Cadence, after losing against them and their magic, they were punished to be expelled from the aerial army and to never return to Equestria for murdering too many ponies in Canterlot. Nowadays, they’re in charge to patrol Steel Cross fort’s adyacent areas, who saw on them a tremendous darkness that rotten their souls, becoming part of the Dark Gate Dimension. From both of them, the Professor Jolt from this dimension have inspired himself to create a strong robotic-spectral army for his leader, he even created their weapons, the two brothers are:
 

 
Nuclear Star: He’s the older brother, he was the duo founder, he specializes on fire weapons of any caliber, such as machine guns or bazookas, also as a foul play, uses his arsenal to try winning the hoof to hoof fights, his favorites are the XM214 ones
 
Diamond Skull: The youngest sister, she supports her brother and perfectly works on team with him, she specializes in throwing and explosive weapons as grenades and knives, like her brother, she neither plays fair and square and in change she uses her weapons to fight, being physically on disadvantage
 
Personality: United, Determined, Sadists, Serious, Cold-Blooded, Heartless, Insane, Reckless
 
Age: Nuclear Star - 27 / Diamond Skull - 25
 
Relatvives: (Murdered) Parents
 
Best Friends (Perfect Compatibility): Oscura Fortunta, Doom, Nocturne Jungle, Steel Cross
 
Worst Friends (Enemies): Psychic Spoon, Morning Forest, Professor Jolt, Aroma Sweet, Vintage Toon, Screech, Tikka Sunrise, Magna Fashion, Soiree Haunter, Sir Hyper Wing, Officer Nathan, Jikan, Argus Kaiser, Grant, Kenji, Shining Armor, Flash Sentry, Starswirl the Bearded, Celestia, Luna, Cadence, Twilight Sparkle, Rainbow Dash, Rarity, Applejack, Pinkie Pie, Fluttershy, Spike, Cyrax, Lightning Bolt, Stygian
 
Cutie Mark: Nuclear Star - A Flaming meteor / Diamond Skull - A Skull with diamonds by eyes
 
House: Doesn’t have
 
Abilities: (Mere) Hoof to Hoof Fight, Weapons Knowledge, Military Training, Strategic minds, Intelligence, Fast Flight, Mind Corruption, Team Work
 
Favorite Character (real or ficticional): Doesn’t have
 
Likes: Darkness, Destruction, Killing, Power, Weapons, Corrupting Foals, Taking Vengeance, War
 
Dislikes: Nature, Peaceness, Light, Family, Spies, Friendship, Good Robots, Nocturne Jungle’s superiority, Failing