Here are all the results with descriptions
You are named for Rollo of Normandy. Yes, Normandy is in France, but Rollo was there to defeat the French - he wasn't a native. The 'Rollo' is short for Gaange Rolf. He was a massive man known for strategic battle management. He won, by the way. He was the first known Duke of Normandy.
Halfdan Ragnarsson was one of the sons of Ragnar Lodbruk. Halfdan and his brother, Ivan, were the leaders of The Great Heathen Army that laid siege to Northumbria in England. From there, he went on to rule London.
Sigurd Snake-in-the-Eye (yes, that's his name) was a son of Ragnar Lodbruk. He must have been very frightening. Legend has it that his left pupil had an anomaly that looked like a snake biting its tail.
Sweyn Forkbeard was a prince who went on to rule two countries in his own right. He ruled in England in the year 1013 and he also ruled in Norway. In Norway, he was in conflict with another ruler who ruled a different part of the country. Forkbeard was the son of Kind Harald Bluetooth.
Gunnar Hamundarson was an Icelandic Viking that features in exciting sagas. He was famous for his athleticism and could even jump as high as his own height. He was a good enough warrior to forgo the usual mace or sword and instead fought with a pole.
Egil Skallagrimsson was a man of extremes. On the one hand, he was an emotional and sensitive poet. On the other, his first kill was an axe murder when he was 7. He was known for his sudden and furious rages, especially in battle.