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Jiang Cheng is not female.

Jiang Cheng's Japanese voice actor, Hikaru Midorikawa, also voiced Fuminori Sakisaka from the visual novel Saya no Uta.

If Jiang Cheng and Wei Wuxian were born in the same year, then Wei Wuxian is five days older than Jiang Cheng.

Jiang Cheng's Japanese voice actor, Hikaru Midorikawa, also voiced Marth from the Fire Emblem franchise.

Jiang Cheng's Japanese voice actor, Hikaru Midorikawa, also voiced Seto Kaiba from the 1998 adaptation of Yu-Gi-Oh!

Jiang Cheng has pushed Wei Wuxian into the lake water on at least one occasion.

Jiang Cheng's Japanese voice actor, Hikaru Midorikawa, also voiced the eponymous Sakamoto from Haven't You Heard? I'm Sakamoto.

Jiang Cheng is not a vegetarian.

Jin Rulan grew up splitting his time between Lotus Pier and Golden Carp Tower.

The jiang in "Jiang Cheng" has the first tone; the cheng in "Jiang Cheng" has the second tone.

The author of Mo Dao Zu Shi, Mo Xiang Tong Xiu, has stated in an interview that Jiang Cheng is "someone with many personality flaws, but not a heinous person."

Jiang Cheng's courtesy name is Wanyin.

Mo Xuanyu is shorter than Jiang Cheng.

Jiang Cheng was faster than Wei Wuxian to accept that Jiang Yanli genuinely loved Jin Zixuan.

Jiang Cheng's actor from The Untamed, Wang Zhuocheng, has also acted in the series Walk Into Your Memory.

Jiang Cheng's Japanese voice actor, Hikaru Midorikawa, also voiced two minor characters from Cowboy Bebop.

Jiang Cheng is incapacitated at the Guanyin Temple because he blocks an attack aimed at Wei Wuxian by Jin Guangyao.