"Little Devil" is a song written by Neil Sedaka

Neil Sedaka

Neil Sedaka is an American pop/rock singer, pianist, and composer. His career has spanned nearly 55 years, during which time he has sold millions of records as an artist and has written or co-written over 500 songs for himself and other artists, collaborating mostly with lyricists Howard...

 and Howard Greenfield

Howard Greenfield

Howard Greenfield was an American lyricist and songwriter, who for several years in the 1960s worked out of the famous Brill Building...

 and sung by Neil Sedaka. It was the title track of Sedaka's 1961 album Neil Sedaka Sings Little Devil and His Other Hits

Neil Sedaka Sings Little Devil and His Other Hits

Neil Sedaka Sings Little Devil and His Other Hits is a solo album by Neil Sedaka released in 1961 immediately after the cover versions of earlier hits in Circulate.-Track listing:...

. It was released in 1961 and became a hit for him reaching #11 in the US Billboard Charts.
"Little Devil" was Sedaka's first song to be translated into Italian - "Esagerata". It was also translated into German ("Crazy Daisy") and Spanish ("Diablito").