Frederik Carlo Hviid Köhler (born 9 November 1974 in Las Palmas, Gran Canaria) is a former long-distance freestyle and medley swimmer from Spain who competed at two consecutive Summer Olympics for his native country, starting in 1996. In the late 1990s he won several medals in the international short course and long course events. He's a recipient of the Spanish Cross of the Order of Merit (Silver and Bronze designation), handed to him by then crown prince Felipe de Borbón (Felipe VI). During his swimming career he made finals in the 1996 Summer Olympics in Atlanta, winning the "B" Final in the 400m IM. At the 2000 Olympics in Sydney, with aspirations and goals to medal in the 400m IM, he fell victim to influenza and was not able to qualify for the finals in his prime event, the 400m individual medley (IM). He swam in three Swimming World Championships. Rome, Italy in 1994, Perth, Australia in 1998 and Hong Kong, China in 1999, with his best performance coming at the 1999 SC World Championships in Hong Kong, China. He won a bronze medal and broke the Spanish national record in the 400m IM at the event. He participated in seven European Aquatics Championships: at Sheffield, England, in 1993; Vienna in 1995; Seville, Spain in 1997; Sheffield again in 1998; Istanbul in 1999; Lisbon in 1999; and Valencia, Spain, in 2000. He won the gold medal both in the 400m IM long course at the 1999 European Aquatics Championships in Istanbul, Turkey and in the 1999 short course edition in Lisbon. He was awarded silver medals in the 400m IM at the 1997 Seville long course edition, the Sheffield 1998 short course edition, and the Valencia 2000 short course edition, and he also won silver in Valencia in the 1,500m freestyle. At the World Cup series he won gold in the 1,500m free at College Park, Maryland, in 1999, along with a gold in the 400m IM. In the 2000 World Cup at College Park again, he won gold in the 1,500m freestyle and 400m freestyle, and a silver in the 400m IM. At the 1992 US Open in Orlando, Florida, he took gold in the 200m and 400m IM. He returned to the US Open in 1997 in Indianapolis, Indiana, to win gold in the 400m freestyle and take silver in both the 1,500m freestyle and 400m IM. He