 The main rivals of the club are Viking FK and Bryne FK.Sandnes Ulf's official fan club is known as Gaukereiret ("The Cuckoo's Nest"), reflecting on the nickname for people from Sandnes; Sandnes-cuckoos.The sport of football came directly to Sandnes from its home country, England, when two British brothers Arnold and Hubert Thomas moved to the town in 1907.