On their way, the smoke monster appears in the middle of the jungle and kills a female member of her group called Nadine.

Cerberus is likely the island's "black smoke monster."

On a hunt he encounters the smoke monster, describing it as a "bright light".

It is an ancient name which once meant Love, he told me, and the smoke monster could not find us.

The black smoke monster could also be part of an experiment.

Ben claims Widmore has "changed the rules", then summons the smoke monster to attack the mercenaries.

The smoke monster requires a host body to live in when he's not vibrating around killing people.

The only way to recall the smoke monster to the host body, or to keep him there in the first place, is by severe electrical shock.

The smoke monster is established as an antagonist in Lost from the very first episode, "Pilot".

One of the people manages to create a ring of ash around himself, temporarily hindering the smoke monster.