About Fynn Birch
Australian who became a popular TikTok creator known as whatthiz by posting comedy sketches, lip sync musicals, and more.
Before gaining popularity on TikTok, he was studying film at university.
In April 2017, he opened a self-titled YouTube channel.
His sister, Fleur Birch, became known on TikTok under the handle FleurBirch.
Both he and Hayley Stewart became popular Australian TikTok creators.