Madman622 joined on September 7, 2007. He is one of the key members on ChallengeYou.

He has been a beta tester, but he was removed by the webmaster.

He is most known for his artistic, colourful creativty and avaibility to make everything look great. He is most known for the "Crazy School Days" series, and he is known as a member of the BGM crew in the BGM series made by Brandon. He is also known as a comedian. He makes stand-up games on ChallengeYou, and the members love them.