Number of followers: 5.2 million
Age: 17
Video type: Hudson is known for his lip-syncing videos, a bread-and-butter genre for TikTok. But while the 17-year-old's breakout success may be surprising to some, he's beloved by TikTok's community: his presence at VidCon, the massive convention celebrating online video, was popular enough to attract a pack of teenage girls chasing him around the venue, as spotted by BuzzFeed News' Ryan Broderick.