[b]Kyklo (キュクロ)[/b] is the main character of Shingeki no Kyojin novel, Before the Fall vol. 2-3. He has a brown hair and brown eyes, and his face is full of scars.

Because he was born in a mass of Titan vomit and only have one functioning eye (his left eye), he was named Kyklo (キュクロ), which was taken from German word for Cyclops, Kyklop (キュクロープ). 
kyklo