A group of intellectuals restored Croatian Party of Rights on 25 February 1990.
Thompson also composed the anthem of the Croatian Party of Rights.
In 1992 he joined the Croatian Party of Rights.
He became one of the leaders of the Croatian Party of Rights in 1895.
In the late 1991, Prkačin moved to the Croatian Party of Rights.
In 2011 Prkačin returned to Croatian Party of Rights.
Croatian Party of Rights started to consider formation of their own military wing.
It appeared that Croatian Party of Rights would fail to break 5% threshold, only for the vote to mysteriously increase afterwards.
He used to perform free of charge for Croatian Party of Rights at some of their campaigns.
In October 2011 he entered into a coalition with the Croatian Party of Rights.