Based upon the creatures from the Cthulhu Mythos , they are encountered fairly early in X-COM , and as such are not the most capable combatants you will face .
Based upon the hybrid Cthulhu followers of the Cthulhu Mythos , they are hybrid mixtures of humans and aliens . 
 They are encountered fairly early in X-COM , and as such are not the most capable combatants a player will face .