Its body is harder than any other kind of metal. The body metal is composed of a mysterious substance. Not only is it hard, it shrinks and stretches flexibly.
In the German version of Pokémon Diamond and Pearl, Registeel's sprite was edited because of its arm. Originally, the position of its arm is like the greeting of the nationalsocialists.
Registeel, along with Mawile, are the only pure Steel-type Pokémon.
Origin
This Pokémon is based on the golems of Hebrew legend. The legends cast them as servants of higher powers and are said to have writing on their heads. When the writing is removed, the creature would be weakened.
Name origin
This Pokémon's name is the combination of the words steel and regi, which is Latin for king.
This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.