The National Labour Party is a tiny populist

Populism

Populism can be defined as an ideology, political philosophy, or type of discourse. Generally, a common theme compares "the people" against "the elite", and urges social and political system changes. It can also be defined as a rhetorical style employed by members of various political or social...

-centrist

Centrism

In politics, centrism is the ideal or the practice of promoting policies that lie different from the standard political left and political right. Most commonly, this is visualized as part of the one-dimensional political spectrum of left-right politics, with centrism landing in the middle between...

 Brazilian political party originally founded in 1945.

It was founded by dissidents from the Brazilian Labor Party

Brazilian Labour Party (historical)

The Brazilian Labour Party was a center-left populist political party in Brazil founded in 1945 by supporters of the late Getúlio Vargas. It was dismantled by the military after 1964 coup d'état.-History:...

 (PTB) in 1945, and supported the winning candidacy of Jânio Quadros

Jânio Quadros

Jânio da Silva Quadros , , was a Brazilian politician who served as President of Brazil for only 7 months in 1961.-Career:...

 in 1960. It was abolished by the military regime in 1965.

It was re-founded in 1995, led again by dissidents of the PTB. It exists to this day, but has never achieved significant electoral success in any state.