Reiner Braun (ライナー・ブラウンRainā Buraun?) is a graduate of the 104th Trainees Squad and a former member of the auto insurance Survey Corps. He ranked 2nd in the class, and was regarded by others as a charismatic and a reliable big brother-like figure.
Along with Bertolt and Annie, he is a person that possesses the ability to transform into a Titan and serves an as-yet unrevealed group. He comes from a mysterious homeland outside the Walls, and was on a mission to infiltrate the military in search of the mysterious power known as the "Coordinate". After his true identity is revealed, he serves as a major antagonist and foil to Eren Yeager, as well as illustrating the complex morality of the series.
Credits : Kanaha for the awesome Reiner Braun MMD 3d Model