The Olsen Gang (Danish: Olsen-banden, Norwegian: Olsenbanden, Swedish: Jönssonligan, German: Die Olsenbande) is a fictional Danish criminal gang in the movies of the same name. The gang's leader is the criminal genius and habitual offender Egon Olsen. The other members of the gang are Benny and Kjeld (Kjell in Norwegian). The gang members are harmless and never use violence. A Norwegian version of the movies (a total of 14 from 1968 to 1999) were also made, sometimes produced simultaneously with the Danish ones. Later, Sweden also produced their own version: Jönssonligan.
Most of the movies start with Egon coming out of jail and being enthusiastically welcomed by Benny and Kjeld. The three men will then have a beer together in the living room of Kjeld's dilapidated home in a run-down Valby neighbourhood. Egon will inform his friends of his latest plan for making them all millionaires (for example, eluding an alarm system to steal some crown jewels that happen to be on display in Copenhagen for the moment) and instruct them to provide the necessary equipment. The plans usually feature everyday artefacts such as Lego, party balloons, cigarettes etc., which are combined to work like Rube Goldberg machines, and clever social engineering. Egon often serves time with lawyers or executives who provide him with the information he needs, such as duty rosters for the national public record office.