Fog Village Jutsu

Hidden Fog Jutsu
Creates a thick layer of fog so that your opponent cant see. Nor could you.
Chunin

Fog Sky Jutsu
Creates fog in the sky, blocking out the sun abit.
Chunin

Fog Clone Jutsu
Creates clones of fog
Jounin

Fog Control Jutsu
If they breathe in the fog, you could control them for 5 post.
Chunin