More millennials are on TikTok. If the app survives the US ban, its cultural significance will only grow. Prostock-Studio/Getty Images, Tiktok, Abanti Chowdhury/BIKeara Sullivan is known for her razor-sharp TikTok commentary on the foibles of her hyperonline generation. Since late 2020, the New York comedian has amassed over 400,000 followers — most of them fellow Gen Zers.