ハロウィンかぼちゃ

An orange pumpkin carved into the shape of a face and commonly known as a Jack-o’-lantern. 

The number and shape of its carved teeth vary by vendor.

This emoji has consistently been the most popular emoji used to encapsulate Halloween during the month of October.

This emoji predates the inclusion of emojis within Unicode. It was first added to early Japanese emoji keyboards in 2003 by au by KDDI.