Gabriela Gunčíková, also known as Gabriela Gun, was born on June 27, 1993, in Kroměříž, Czech Republic. Gunčíková gained national recognition as the runner-up of the second season of Česko Slovenská SuperStar (2011) and won the New Artist award at the 2011 Český slavík awards. Her debut album, Dvojí tvář (2011), was followed by Celkem jiná (2013). Gunčíková was a touring vocalist for the Trans-Siberian Orchestra from 2014 to 2015. In 2016, she represented the Czech Republic at the Eurovision Song Contest with the song “I Stand”, becoming the first Czech entrant to reach the Grand Final. Since April 2025, she has performed with the Swedish band Ghost as a touring member under the name A Nameless Ghoul.