Grinche

Grinche is a Chrono-Mechanized Giant that was once a black smith who lived in the royal capital Golteria. Having been hurt by the royal family, and after obtaining a certain Spritnite that legend said granted wishes, Grinche, who only wished to be away from anyone and everyone and be all alone, disappeared into Achilles ruins with the stone and seemingly vanished without a trace.

1,000 years later he is awoken by Julienne who needs the stone and it's revealed that overtime the uncontrollable power of the spritnite turned him into a Timeslave Chrono-Mech albeit more powerful.He belongs to the  Rulers of Time  category.