Norse giants(also called jötunn) are members of a race of superstrong nature spirits.
Jotunheim.
He defeats the giants with a short handled hammer
In Norse mythology, centaurs do not play a significant role. They are not a prominent figure in Norse mythology compared to other mythological creatures like gods, giants, and dwarves.
Norse mythology is quite complicated, but the main enemies of the Norse gods were the Frost Giants. There is also one Norse god named Loki who was working against the interests of the other gods; probably he was the single greatest threat.
Killing trolls and giants, mead, and food.
Jotunheim is derived from Norse Mythology, it is one of the 9 worlds and the homeland to the giants.
You may be thinking of Freki, one of Odin's 2 loyal wolves that guard the borders from ice giants.
The Frost Giants and Rock Giants live in Jötunheimr, and Fire Giants live in Muspelheim.
In Norse mythology, frost giants were called Jotuns, who lived in Jotunheim. The giants were the chief enemies of the Gods.
Technically there is no Norse god of evil as Loki is the god of lies, chaos and mischief but does not quite go as far as evil. Hel is the Norse goddess of death but again not evilness. The jotunns were described as evil but they were giants not gods.
One popular book about giants that I would recommend for someone interested in folklore and mythology is "The Norse Myths" by Kevin Crossley-Holland. This book delves into the rich mythology of Norse giants and their interactions with gods and humans, providing a comprehensive and engaging exploration of this aspect of folklore.
Ymir is the primordial giant and father to the frost giants. He was created from the melting ice of Niflheim.