iDubbbz
A youtuber who went through the youtuber mainstream change from being a gamer to a more self-driven content creator in only 2 years compared to others like PewDiePie. He got famous for making two youtube series: Kickstarter crap and Content cop. However, in 2017, he made a diss track on famous youtuber RiceGum, which is one of the most famous youtube diss tracks ever.
"Did you see iDubbbz's savage diss track on Rice?"