Inflatable rat

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Inflatable rat in Long Island City

Inflatable rats, or union rats, are giant inflatables in the shape of cartoon rats, commonly used in the United States by protesting or striking trade unions. They serve as a sign of opposition against employers or nonunion contractors, and are intended to call public attention to companies employing nonunion labor. The practice dates from the 1990s.


Unions have been using them for years against companies that employ nonunion labor.[1] Employers have filed lawsuits charging that the use of the giant inflatable rats constituted unlawful picketing, and some courts have agreed. However, in May 2011, the National Labor Relations Board (NLRB) held that union use of an inflatable monster rat is not considered an unlawful activity when directed at a secondary employer.[2] In 2011 National Labor Relations Board (NLRB) in Sheet Metal Workers Local 15, 356 NLRB No. 162 (2011) ruled that the inflatable rat did not constitute a signal picket, but instead, constituted symbolic speech which is not subject to secondary boycott rules. This holding allows the union not only to place the inflatable rats at neutral entrances, but also to place them at locations where the picketed company is absent.[3] The practice of using inflatable rats in union protests may have something to do with the usage of the word "rat" to refer to nonunion contractors.


Inflatable rat in Cambridge, Massachusetts

While the inflatable rat sometimes varies in appearance and size, it generally features large teeth and grotesque features, particularly a scabby belly,[4] a reference to the nickname of "scab" that is given to strikebreakers. Many unions have nicknamed the inflatable rat "Scabby the Rat," a name which originated from the International Union of Operating Engineers Local 150, who pioneered the use of the rat in 1989 and whose member Lou Mahieu won the "Name the Rat" contest with his submission of "Scabby".[5]


The first inflatable rat was used by the International Union of Operating Engineers Local 150 in 1989, according to photos from the Local 150 Engineer in November 1989, where it also launched a "Name the Rat" contest[6]. In January of 1990, it announced that "Scabby" was the winning submission, coming from several Local 150 member Lou Mahieu. [5]

As of 2003, the rats ranged from 6 to 30 feet tall, but 12 feet is the most popular height due to local laws limiting the height of inflatable objects on display.[7]

United Kingdom[edit]

The inflatable rat appeared in the UK for the first time in the 2013 Grangemouth Oil Refinery dispute.[8] This tactic was criticized by the UK's right-wing press.[9][10]

See also[edit]


  1. ^ "Unions' Inflatable Rat an Endangered Species". September 9, 2005. Retrieved January 12, 2019.
  2. ^ "The Obama Board and the Giant Rat: NLRB Holds That Union Use of Inflatable Monster Rat Does Not Constitute Unlawful Activity Directed At A Secondary Employer". The National Law Review. May 28, 2011. Retrieved January 12, 2019.
  3. ^ Lees, Judd H. (June 11, 2011). "NLRB Rules Inflatable Rats May No Longer Constitute Signal Pickets". The National Law Review. Retrieved January 12, 2019.
  4. ^ Jaffe, Sarah (March 7, 2013). "The History of Scabby the Rat". Retrieved January 12, 2019.
  5. ^ a b "Name the Local #150 Rat Contest". Retrieved January 12, 2019.
  6. ^ "Local 150 Engineer". November 1989. Retrieved January 12, 2019.
  7. ^ Salter, Chuck (December 1, 2003). "The Inflatable Union Rat". Retrieved January 12, 2019.
  8. ^ Lezard, Tim (November 18, 2013). "Unions smell a rat over government's Grangemouth enquiry". Union-News UK. Archived from the original on November 18, 2013. Retrieved January 12, 2019.
  9. ^ Dixon, Hayley (October 31, 2013). "Unite union accused of using bully tactics in Grangemouth dispute". Daily Telegraph. Retrieved January 12, 2019.
  10. ^ Herbert, Dean (November 8, 2013). "MP calls on police to probe Grangemouth union 'bully boys'". Scottish Daily Express. Retrieved January 12, 2019.