We All Know The Two From The Cartoon Network Show, Regular Show. We've Seen Them Laugh, Cry, Fight, Argue, And Even Get Throu Some Challenging Parts Of Work. But Have You Ever Wondered What Makes Mordecai And Rigby Such Best Friends After All The Adventures They've Been Through? What If There Was A Missing Piece To The Story Line Of Their Friendship? Well My Dear Readers, I Give You The 'Before Story' Of Two Boys Who Become 'Close' Friend Before Their Reality Show, Regular Show.