BookOfKen is a prankster and social experimenter who gained prominence on YouTube with his viral "shampoo prank" and "bathroom prank" videos, amassing over 3.4 million subscribers. Diversifying his content, he also posts vlogs, challenges, and Fortnite videos. BookOfKen launched his channel in April 2014 with a video titled "The Book of a Prankster: BookOfKen Trailer" and shortly after created a secondary channel called UnKensored for his vlogs. Among his many popular videos, "Paying People To Eat World's Hottest Pepper Extract Prank" stands out as his most successful, garnering approximately 10 million views in six months.