Are a German rock and roll band founded in Berlin in 2007. They became popular with 1950s and 1960s style rock cover versions of modern hits such as "Umbrella" by Rihanna, "Crazy in Love" by Beyoncé, "Hot n Cold" by Katy Perry and "Call Me Maybe" by Carly Rae Jepsen. The band members are only credited by their nicknames. Their version of "Umbrella" was a hit in Germany, Spain, the Netherlands, Belgium, Finland, Iceland, Austria, Switzerland, Sweden and Norway