Retsupurae is a youtube channel run for the purpose to show flaws in Let's Plays and some video games. They have received both hate and respect, depending on who you ask.
They make videos by recording themselves watch a Let's Play. Their videos consist of Wrongupraes, bad Let's Plays, Retsufrash (flash games on Newgrounds), Long
The RPing the LP's section includes Retsupuraes of save state users, screaming men , a man with a British accent stronger than an ox , a Let's Play withless than half the screen being the video game, Goof Troop , and even one person suggesting giving Samus breast cancer.
Their youtube channel is found here.
Retsupurae is run mostly by users "Diabetus" and Michael "Slowbeef" Sawyer, but has many others appear on the channel, such as Psycadellic eyeball, Proteus, ProtonJon, Dave_O. Slowbeef was present at the start of Let's Plays, and has talked about it in the Retsutalk podcast, where Slowbeef and Diabetus
Retsupurae has received hate from the Pewdiepie fandom for posting "Adults React To Pewdiepie", in which the cast or Retsupurae can be easily seen.
I will edit this article some time later to make it more accurate and have pictures of the logo and the Retsupurae cast.