Sanna Viktoria Nielsen is a Swedish singer, television presenter, and musical theatre performer who gained fame after winning Melodifestivalen in 2014 with the song "Undo" and representing Sweden in the Eurovision Song Contest 2014. Born on November 27, 1984, in Edenryd, Sweden, Nielsen's musical career began at a young age, and she has participated in various talent searches and music tours. She has released several albums and singles, showcasing her talent and versatility as a performer. Nielsen has also been involved in the Swedish music competition, Melodifestivalen, multiple times, showcasing her determination and passion for music. Her success in the music industry has solidified her status as a prominent figure in the Swedish entertainment scene. With her captivating performances and powerful vocals, Sanna Viktoria Nielsen continues to be a celebrated artist, captivating audiences with her musical prowess and dynamic stage presence.

Sanna Grønlid, born on May 2, 1959, is a renowned former Norwegian biathlete who has left an indelible mark on the world of biathlon. She is celebrated as a world champion and world cup winner, with her exceptional talent and dedication earning her numerous accolades. Grønlid clinched a gold medal in the 5 km sprint at the 1985 Biathlon World Championships in Egg am Etzel, showcasing her remarkable skills and prowess in the sport. Her outstanding performance continued as she secured another gold medal in the 10 km individual at the 1987 Biathlon World Championships in Lahti, solidifying her status as a biathlon legend. Grønlid's impact extended to team events, with her participation in the Norwegian team leading to the achievement of silver and bronze medals in the 3 × 5 km relay in 1984, 1985, 1986, and 1987. Additionally, she claimed the overall Biathlon World Cup title in the 1984/85 season, and consistently demonstrated her excellence by finishing 2nd in 1983/84 and 1985/86, and 3rd in 1986/87. Sanna Grønlid's remarkable career and remarkable achievements have solidified her legacy as an icon in the world of biathlon.