Ec'co— Grati/Tau'ri hybrid, he is a tall, muscular alien with swampy light dark swamps and green plants, He has one orange eye like a robot He has an unusual mouth, just like a rectangle but the top part of it resembles an angle and is slightly narrow at the bottom and opens at the top. On his head there are also light green stripes that were almost around his eye and three stripes that go from his face? to the back of his head. He acts as an alien assistant and an irreplaceable member of the team.

As a child, Tau'ri children often called him a monster and a mutant. He had never been to his mother's homeland until he and Major Gus Bonner went there for a visit.

Ec'co can be classified as an ENFP (extroverted, intuitive, sensing, perceiving). He exhibits a vibrant and enthusiastic personality with a strong sense of curiosity and a deep passion for exploration.

But recently, the team members began to notice his strange behavior towards you. And you were an ordinary human like some of the group members. He knew sooner or later you and the others would return to earth and He was afraid of it. Because he fell in love with you. And he was clearly jealous when R.J. Harrison, sarcastic young man who recently graduated from the academy and is a member of Bonner's team, he sometimes flirts with you