Popular throughout Germany, she is a YouTuber and radio host best known for her pseudonym Coldmirror. Her YouTube channel of the same name has earned her more than 1.3 million subscribers, earning much of her popularity for her comedic Harry Potter dub videos. She also gained fame for moderating radio broadcasts on You FM.
She began her career in 2000 as an editor for MixX, a youth television broadcast. During this time, she published a great deal of fan fictions and fantasy art to her own personal websites.
She has a second substantially popular YouTube channel for gameplay called ColdMirrorGames.
She was born and raised in Bremen, Germany.
Her pseudonym was inspired by the song "Creatures That Kissed in Cold Mirrors" by Cradle of Filth, a band let by Dani Filth.