[quote=@Unfortunately]
Triarians?
[img]http://vignette2.wikia.nocookie.net/xcom/images/8/81/XCOM-EU_Sectoids.jpg/revision/latest/scale-to-width/300?cb=20120418081705[/img]
[/quote]

Yep, Triarii are sectoids, only with mouths and much more dangerous rofl