Andre' Nathaniel Deyo (born April 19, 1978), better known by his stage name mrDEYO (or the misspellings Mister Deyo or Mr. Deyo), is an American R&B singer and hit songwriter best known for his songwriting abilities and arrangements on "Jenny From The Block" for Jennifer Lopez and subsequently writing the book "Jenny & Becky From The Block"and . He has been signed to a publishing deal with Sony/ATV Music Publishing since 2002.