![File:Happy Boutday – Stockholm Roller Derby vs Helsinki Roller Derby (7197535148).jpg - Wikimedia Commons File:Happy Boutday – Stockholm Roller Derby vs Helsinki Roller Derby (7197535148).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/c3/Happy_Boutday_%E2%80%93_Stockholm_Roller_Derby_vs_Helsinki_Roller_Derby_%287197535148%29.jpg)
File:Happy Boutday – Stockholm Roller Derby vs Helsinki Roller Derby (7197535148).jpg - Wikimedia Commons
![A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June](https://c8.alamy.com/comp/2D0RN1X/a-skater-from-the-stockholm-roller-derby-who-uses-the-name-hyper-nova-leads-the-pack-during-a-womens-flat-track-roller-derby-bout-against-the-kallio-rolling-rainbow-in-huddinge-june-11-2011-flat-track-roller-derby-consists-of-two-teams-of-five-players-each-and-points-are-scored-when-the-assigned-scorer-or-jammer-laps-members-of-the-opposing-team-reutersbob-strong-sweden-tags-sport-society-2D0RN1X.jpg)
A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June
![A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June](https://c8.alamy.com/zooms/6/f5bc6cc19a044c56b8cbbed854c7504a/2d04rc3.jpg)
A skater from the Stockholm Roller Derby who uses the name "Hyper Nova" leads the pack during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June
![Skaters from the Stockholm Roller Derby cheer on their team during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June 11, 2011. Flat track roller derby Skaters from the Stockholm Roller Derby cheer on their team during a women's flat track roller derby bout against the Kallio Rolling Rainbow in Huddinge June 11, 2011. Flat track roller derby](https://c8.alamy.com/zooms/6/564e7ae7174e4c91a84b1ed81e956004/2cxjp6t.jpg)