The surname Kou has the character "chen" in the middle.

Kou Chenqi, Kou Chenbin, Kou Chenzhou, Kou Chenhao, Kou Chenye, Kou Chentao, Kou Chentian, Kou Chenchi, Kou Chenze, Kouchen Peng, Kou Chenxuan, Kou Chenwen, Kou Chenxi, Kou Chenlin, Kou Chenxiao, Kou Chentong, Kou Chenqi, Kou Chenhan, Kou Chenhui, Kou Chensong, Kouchenyu Kouchen. Qiang Kou Chenchao Kou Chen Chen Kou Chen Hao Kou Chen Ming Kou Chen Jie Kou Chen Hao Kou Chen Peng Kou Chen Cheng Kou Chen Yu Kou Chen Hua Kou Chen Rui Kou Chen Yuan Kou Chen Hong Kou Chen Ao Kou Chen Nan Kou Chen Han Kou Chen Nan Kou Chen Ou Kou Chen Si Kou Chen De Kou Chen Cheng Kou Chen Bo Kou Chen Xuan Kou Chen Yi Kou Chen Yang Kou Chen Cai Kou Chen Qi Kou Chen Long Kou Chen You Kou Chen Yi Kou Chen Lun Kou Chen Ran Kou Chen Lei Kou Chen Rui Kou Chen Wei Kou Chen Chang Kou Chen Kai Kou Chen Yao Kou Chen Bai Kou Chen Yuan Kou Chen Zhe Kou Chen Tuo Kou Chen Chen Kou Chen Yuan Kou Chen En Kou Chen Zhang Kou Chen Han Kou Chen Yan Kou Chen Yao Kou Chen He Kou Chen Ke Kou Chen Run Kou Chen Jiang Kou Chen Gang Kou Chen Xing Kou Chen Bing