Perennial candidate

[2] A number of modern articles related to electoral politics or elections have identified those who have run for elected office and lost two to three times, and then decide to mount a campaign again as perennial candidates.

[2][6] Some who have had their campaign applications rejected by their country's electoral authority multiple times have also been labelled as perennial candidates.

Some perennial candidates may mount a run as a way to help strengthen their party's standing in a parliamentary body, in an effort to become kingmaker in the event of a political stalemate.

[10] Some perennial candidates have been accused of running for office continuously as a way to get public election funding.

[12] Novelty candidates are those who run for office as a form of satire or protest, with no serious policies.

Mike The Mover has run for various offices under various political affiliations on 17 occasions to promote his furniture moving business.
José Maria Eymael
John Turmel according to the Guinness World Records holds the records for the most elections contested and for the most elections lost, having contested 112 elections and lost 111.
Nicolás Zúñiga y Miranda
Jean-Marie Le Pen
Helmut Palmer's house in Geradstetten boasted some of his German election percentages.
Janusz Korwin-Mikke
Vladimir Zhirinovsky
Nigel Farage
Pauline Hanson
Stephen Berry