Nax

Naz is a krogan encountered in Mass Effect Galaxy on the Ahn'Kedar Orbital Platform he is first seen as he guns down a group of batarian guards. He gives Jacob till the count of five to justify his life after which he will either count to two or Jacob can mention he is there to investigate into a group of scientists being kidnapped after which realising there goals are similar as Naz is attempting to rescue a [asari] scientist named Batha who is an old friend to the point that Naz is not getting payed to rescue. Naz or Jacob will then recommend splitting up to cover more ground. Later in the level Jacob encounters a batarian leader who is running from a krogan. After specking to a scientist who says the formula to cure a dieses intended for use as a bio weapon by the batarians is with an asari in a different facility and that Jacob has no chance of reaching it. Shortly after a nearby door is blown open and Naz appears running from a group of baterians with Batha draped over his shoulder. Naz is last seen heading to assist Batha in the cargo hold in manufacturing the cure saying that he will nor ware an apron.

Trivia

 * Naz counting to five before attacking is a referance to Calo Nord from Star Wars: Knights of the Old Republic