GrandPappyMehrio (channel)

GrandPappyMehrio is a collaborative YouTube channel created by the person with the same name on May 15, 2017.

It started out as a shitpost channel, but later on evolved into a parody channel of SiivaGunner, where anyone can contribute almost anything, with mild quality control, whether it may be high quality, low quality, or even just a shitpost.