Noticeably F.A.T.

Noticeably F.A.T. was the beat-boxer in Fry and Yancy's break-dancing crew in the 20th century. In 3013, Fry talked to him during a lucid dream to find the source of a melody that he had heard on 31 December 1999.

Trivia

 * John DiMaggio has won several beat-box competitions using similar sound effects.
 * His name is a reference to American rapper