Hammush

Hammush is a hammer that has been introduced in the 1.2 update trailer's video.

Trivia
*If you stop the video, when it shows the properties of the Hammush, you can see what can it do!
 * It can destroy demon altars!
 * The icon looks like two glowing mushrooms on a rod.Terraria 1.2 Preview - Random Happenings-1