It also looks something like a Surinam cherry, and probably could be said to look like a variety of other plant fruits and pods. Now if only they had carved grinning teeth and some triangle eyes in it...
From Wikipedia, the free encyclopedia The Surinam Cherry, Brazilian Cherry, or Cayenne Cherry (Eugenia uniflora) is a plant in the family Myrtaceae, native to tropical America. Known as Pitanga throughout Brazil, it is a large shrub or small tree with a conical form, growing slowly to 8 meters in height. The leaves are glossy green, up to 4 cm long, and new leaves are copper-colored. Fragrant white flowers mature into reddish fruits up to 2 cm in diameter.