Ganger Rolf owned 19.51% of Bonheur. Olsen who is chairman of Bonheur and Ganger Rolf. Bonheur merged with Ganger Rolf ASA in May 2016. While struggling with his past regenerations, the Doctor's Ganger alludes to several previous Doctors' words. Ganger Rolf ASA was a Norwegian holding company for the Olsen family. Ganger Rolf merged with Bonheur in May 2016. The company is named after the Viking ruler of Normandy, Ganger Rolf. Ganger Rolf has its headquarters in Oslo, Norway. Olsen & Co., which owned it through its subsidiaries Ganger Rolf and Bonheur. There, they discover that a Ganger of the Eleventh Doctor exists. Adjoining the house was accommodation for other staff&colon; a ganger and platelayer. The Ganger Jennifer hunts her human counterpart to kill her. In March 1994 the Assistant Station Master's and Ganger Residences at Wallangarra were sold. In the chapel, Amy and the Doctor discover a Ganger version of the Doctor.