Efrin Shan is a robotic african american female Titan Guardian of the Last City on earth. She'll do whatever it takes to help her friends and keep humanity safe from the Witness' dark forces. Being a Titan, there is no wall she cannot uphold, there is no barricade that she can't guard. A Titan's duty is to protect the weak, this being she possesses a strong moral code, and a kind sense of humor and fashionable sense of wardrobe, what with her brown-ish golden outfit. Her helmet glows yellow too.