Backstreet Boys

The Backstreet Boys are an American pop band consisting of A. J. McLean, Howie Dorough, Brian Littrell, Nick Carter, and Kevin Richardson. They make guest appearances in the special "Arthur, It's Only Rock 'n' Roll".

Bears

 * Nick Carter
 * A.J. McLean
 * Kevin Richardson

Rabbits

 * Brian Littrell
 * Howie Dorough

Trivia

 * Muffy's favorite Backstreet Boy was first Nick, then Howie, and currently A.J.
 * The song Muffy was watching on her TV was the Backstreet Boys performing "I Want it That Way."
 * The song behind the background of the stage was "Larger than Life".
 * In 2007, Kevin Richardson leaves the Backstreet Boys.
 * In 2012, Kevin Richardson permanently rejoined the Backstreet Boys.