A wallboard wall carries a picture or shelf hanger in a hole between front and back faces of the wall. The hanger includes: a one-piece member having (a) a shoulder having a bottom portion bearing against a bottom portion of the hole and extending horizontally through the hole, (b) an arm extending upwardly from the shoulder, (c) a leg (i) extending downwardly from the shoulder, and (ii) located outside the front face of the wall and (d) a load bearing surface for receiving the object. The arm has a sharp pointed end piercing the back face of the wall and extending into the wall via the back face of the wall.