Olga Yakubovich, born on 25 September 1983 in Moscow, is a designer and esotericist known for her YAKUBoWITCH brand. Her fashion collections draw inspiration from the 1950s and black aesthetics, focusing on femininity and mystery. She gained recognition as the "love witch" during the 22nd season of "Battle of Psychics" on TNT and took part in the second season of "Battle of the Strongest" in 2025.

Olga has amassed around 2 million followers across Instagram, Telegram, TikTok, YouTube, and VK, where she shares content on fashion, esotericism, and her personal life. Supported by her husband, she integrates mysticism and fashion in her public image and maintains a significant presence in television and social media.