Tanya Bayer, known online as @tanya.bayer.cos, is a Ukrainian-born cosplayer, OF models, and content creator currently residing in Los Angeles, California. She is widely known for her cosplay work, inspired by anime and video games, which involves creating characters through detailed costumes, props, and photography. Her appearance across Instagram, TikTok, YouTube, X, and OnlyFans.
Childhood and Family
Tanya Bayer was born on May 9, 1996, in Ukraine. She has Ukrainian nationality. Now she is 30 years old.

While she prefers to keep her family background and early life private, moving to Los Angeles has given her the chance to explore more creative opportunities.
Career, Lifestyle & Achievements
Tanya began gaining attention around 2020, when her cosplay content started getting noticed online.
Her lifestyle mainly revolves around her creative work—designing costumes, preparing wigs, building props, and filming or photographing each character she portrays.

She also travels for photoshoots, attends conventions, and interacts with fans who enjoy her work.
Her Instagram account (@tanya.bayer.cos) features popular reels like Boa Hancock from One Piece on September 2, 2025, and Rangiku Matsumoto from Bleach on May 25, 2025.

Her TikTok (@tanyabayercos) includes short transformation videos and character sketches. On YouTube (@tanyabayercosplay), she shares tutorials and vlogs from events.
She also updates her followers on X (@tanyabayer_cos), where she has more than 79,000 followers and posts teasers, including new character plans shared in November 2025.

She provides exclusive content through OnlyFans under the name tbcos and handles professional collaborations via email.