Seven (伍六七), is the main protagonist of the Donghua TV series, Scissor Seven, also known as Killer Seven (刺客伍六七) in China.

He is a 21-year-old barber who suffers from amnesia. Alongside his boss (and best friend) Dai Bo and Xiao Fei, Seven works as an assassin for hire in order gain a lot of yuan to retrieve his lost memory. He was found by Dai Bo and Xiao Fei on a beach in Chicken Island when he was 19, and has been living with them for 2 years, during which time he helps them run a barbershop