MADISON, Wis. (AP) -- Four real Democrats and one fake Democrat have filed to run against Republican Lt. Gov. Rebecca Kleefisch in a recall election.

Madison firefighter and union leader Mahlon Mitchell filed Tuesday to get on the ballot as a Democrat. Also filing were truck driver Bruce Berman of Marinette, prison guard Dale Paul of Portage, and private investigator Ira Robins of Milwaukee.

Isaac Weix, a Republican running as a Democrat to ensure there would be a primary, also filed.

The Government Accountability Board was reviewing whether the candidates submitted the required 2,000 signatures to get on the ballot.

The primary is May 8 and the general election is June 5.

While Gov. Scott Walker and Kleefisch were elected together in November 2010, they are standing separately for recall.