[For a moment he gives Gohan an expression that can't be mistaken for anything but 'are you dense?' before knitting his brows together - that's right, the Valkyries did say they're taking people from all different worlds]

They're native to Ransei and other lands - current estimates there are 648 different subspecies. They all have different forms, but what is common is they possess fantastic powers no normal creatures have, they are extremely intelligent and their ability to evolve into new forms. They're categorized by their elemental make up. Pawniard is one that is both dark and steel, while Scizor here is bug and steel.