Nils Mechlinski, born in 1995 in Rhade, Dorsten, Germany, is a DJ, songwriter, and singer known by his stage name Lockvogel. He began his music career at 14 and gained initial chart success with the singles "Ne Sekunde Sommer" and "Wir waren da", released in 2015 as part of the duo Leyk + Lockvogel with DJ Jan Leyk. In 2016, he collaborated with Meltem Acikgöz on the electro cover version "Geile Zeit". Since 2018, under the pseudonym Nilsen, Mechlinski has focused on producing electronic pop music for children and families, releasing albums such as Das blaue Album (2019) and Das gelbe Album (2021). He has performed over 120 concerts in Germany. In April 2023, Nilsen signed with Sony Music Germany/Europa and released his third album, Das grüne Album, in 2023.