Oliver fletcher, known online as Reev is a good friend and online associate of the Sidemen. His main channel consists of videos about FIFA and he also owns a personal fitness channel.
Oliver is a huge fan of Borussia Dortmund and even has a toy of Marco Reus, which he calls Mini Marco and appears frequently in videos on his FIFA series called "Reus to Glory". He also played for Rebel FC in the Wembley Cup in 2018.
Reev's personal fitness channel consisted of tips of how to lose weight, gain muscle and stay motivated while working out. He also had a small series on Fitness February, a workout challenge that KSI, W2S, Behzinga and numerous other YouTubers competed against each other in.