Tony Christian Halme (January 6, 1963 – January 8, 2010) was a Finnish politician, athlete, author, actor, and singer. He was a member of the Finnish Parliament from 2003 to 2007 as an independent elected on the True Finns party list. Halme was also known by the pseudonym Viikinki, which he used while appearing in Gladiaattorit, a Finnish version of the TV game show Gladiators, in the 1990s.

He was also a professional wrestler best known for his appearances with Catch Wrestling Association (CWA), New Japan Pro-Wrestling (NJPW) and World Wrestling Federation (WWF) under the ring name Ludvig Borga; a mixed martial artist and the first fighter from the Nordic countries to ever compete in the Ultimate Fighting Championship (UFC); and a professional boxer who held the Finnish and the American heavyweight title.

During his time in CWA, he was an accomplished main eventer, who headlined many events for the company including the company's flagship event Euro Catch Festival three times.