The X Train Gold and X Train Silver (which is also Patran-X/Lupin-X's transformation device/weapon), the two can combine to form X Emperor. And just like it's pilot, this gold and silver titan has 2 modes, Slash (silver) and Gunner (gold).

Noel the Global Police Unit's double agent is the one who designed and created the VS Changer for the both teams. As for his fighting abilities, he focuses mainly on speed when in his police mode and power on his thief mode.