SAN FRANCISCO — During the first of two Epic Rap Battles of History‘s shows at the Great America Music Hall, the first SF Sketchfest shows ever held at the venue, series creators and stars Nice Peter and EpicLLOYD held an improvised rap battle in the middle of the crowd. Based on…

Before unboxing and haul videos, before disembodied hands very quickly mixing ingredients, before whatever it is Logan Paul did, there was YouTube’s first class of breakout stars. Taking advantage of early streaming video’s Wild West freedom, they pushed the limits of creativity, producing everything from Star Wars comedy to excessive foods.…