What the Buck? Here's Michael Buckley's "My You Tube Story." According to a Dec 2008 NY Times report, "You Tube Videos Pull In Real Money," Buckley earned over $100k in the previous year from his YouTube video-commentaries or rants about celebs.
Since she was about 14, my now-20-year-old daughter's main source of daily news was, for years, Philly D (of "The Philip DeFranco Show"), who offers his take on current events and celeb news. (Should I have been monitoring my daughter's online activities better?)
Cory Williams and his smpFilms hit the big-time with "Hey Little Sparta" (aka "The Mean Kitty Song" -- over 86 million views). He told the NYT in 2008 that he was earning over $200k per year, partly from (ugh!) product placements in his videos.
MannyMua taking off makeup (h/t Alexis); Jake Paul vs Logan Paul and Daily Grace (h/t Mila)