Achim Reichel (born January 28, 1944) is a musician, producer and songwriter from Hamburg, Germany. He is known for his 1991 single "Aloha Heja He", as well as for having fronted British Invasion-influenced band The Rattles, who, among other achievements, were selected to open for The Beatles on the Fabs' last-ever tour of Europe in 1966. In 1968, he co-founded the psychedelic rock group Wonderland which also included English ex-patriate Les Humphries who would soon start his own Les Humphries Singers.