Zhang Jun (Chinese: 张君; pinyin: Zhāng Jūn; August 5, 1966 – May 20, 2001) was a Chinese robber and serial killer. From June 1993 to September 2000, Zhang and his associates robbed a total of 22 stores in Chongqing, Hunan, Hubei, Yunnan and Guangxi, killing 28 people and wounding 23.

Andrei Ivanovich Barausov (Russian: Андрей Иванович Бараусов; born 5 August 1961), known as The Lensky Maniac (Russian: Ленский маньяк), is a Soviet-Russian serial killer and rapist who murdered at least 7 underage girls in Sakha from 1983 to 1997. Most of these killings remained unsolved until early January 2023, when Barausov, now serving a sentence for serial rape, confessed to them.

Oto Biederman (born 5 August 1973) is a Czech serial killer and member of the "Kolínský Gang", sentenced to life imprisonment for murdering 5 people.