Spitter (Apocalypse)

Spitters are purple hued extradimensional humanoid aliens with no head in X-Com: Apocalypse.

Overview
Purple skinned spitters are the size of an average human. Out of all the aliens taking part in the invasion, spitters have closest body structure when compared to humans with one notable exception: instead of a head, they have an enormous flesh funnel.

They have two arms ending in small digits that resemble fingers. The arms seem to mimic muscle structure and they use their appendages as if they had an elbow.

Their legs bear the same two-digit form as those of Anthropods, but spitters move like they had knees. Perhaps this is so that silhouette could be mistaken more readily from afar to be a human. This speculation, however, doesn't explain the funnel head.

This mimicry of motion is perplexing. From their physical attributes spitters look like most suited to use equipment made for humans, but they cannot do so because of their undeveloped brains. Their lack of sensory organs is alleviated by a psionic receptor that can detect human targets or other threats. They are capable of throwing acidic projectiles with their funnel.

Role in invasion
While spitters have offensive capability, they are rarely in the spearhead of an assault. They are a support unit with dedicated role in protecting the alien eggs and chrysalides. Considering their color and chemical composition matches closely to that of multiworm eggs, one can speculate if multiworm eggs are brought to our dimension in the belly or funnel of a spitter. It certainly sounds plausible that after unpacking their load, spitters would stay to protect the early stage of alien development.