JonTron, real name Jon Jafari, rose to prominence in the early 2010s co-founding Game Grumps and then building his solo JonTronShow channel around comedic reviews of obscure games and media licences. Short, exaggerated reaction lines from those videos were ripped early into soundboards and YouTube poops, where they became a shorthand for incredulous criticism. The compilation format persists because creators want the whole reaction palette in one place rather than hunting individual lines, and the clips remain staples of gaming meme edits more than a decade later.