here's how to tell them apart: taeyong: wearing black mark: wearing black taeil: wearing black johnny: wearing black jaehyun: wearing black jisung: wearing black jaemin: wearing black jungwoo: wearing black lucas: wearing black winwin: wearing black haechan: wearing black renjun: wearing black ten: wearing black jeno: wearing black yuta: wearing black kun: wearing black doyoung: wearing black chenle: wearing black your welcome ;)