What kind of a dad would do this? Wonder no more! It's time to go inside in the mind of DaddyoFive, the "Worst Dad on Youtube"! Doctor Downvote has gotten his hands on the original disappearing ink that once belonged to DaddyOFive, used in their ill-fated "Disappearing Ink Prank" which lit the powder keg of controversy that (has almost) destroyed their channel.