The most important thing to know about Loki is that he's a trickster god. A trickster is someone who generally specializes in making trouble for no other reason than his own amusement. That sounds like Loki, all right. He's a total mischief-maker. The humans of Middle-Earth call Loki the fire god. When you think of it, this title seems fitting. Like fire, Loki can be useful. Let fire get out of control, though, and you're in for trouble and destruction – maybe even the end of the world as you know it.
Trickster, Lokimotion, Loptr, Loke, Sly One, Sky Traveler
God of Fire
Giant Farbauti and Giantess Laufey
My sworn blood-brother (but not biological brother) Odin
With Sigyn: Vali and Narvi
All of the Aesir gods, but especially Heimdall, whom I kill at the end of time
Married to Sigyn, an Aesir goddess
"Let them call it mischief. When it is past and prospered 'twill be virtue."
101 Easy-To-Do Magic Tricks by Bill Tarr