Her full name is Thea Nicka Kornum. Her name comes from Dorothea or Dorthea, and means "God's gift."
In addition to YouTube, she has also amassed more than 100,000 followers on her theanicka Instagram account.
Her hometown is Åkirkeby, Bornholm, Denmark, but she would later move to Hørsholm. She has been in a relationship with MrCrainer.
Her boyfriend has often collaborated with YouTuber Ian Stapleton of SSundee.