Ordinary Sausage - A channel for people who wonder "could you turn X into a sausage, and if so how good would it taste?" Water? Air? Big Macs? Pickles? That and more, my friend. Pure culinary chaos, and weirdly wholesome to boot.
Joel Haver - The origin of the "semi-automated rotoscoping" animation style, a rather clever use of some existing filters, but also a genuinely funny creator, and prolific to boot.