Here's some info.
From Wikipedia, the free encyclopedia
"I Want Candy" is a song written and originally recorded by The Strangeloves in 1965 and went to number 11 in USA. It is a famous example of a song that uses the Bo Diddley beat.
"I Want Candy" has been covered numerous times by other artists since The Strangeloves original recording, most famously by Bow Wow Wow in 1982 and most recently by Melanie C, ex Spice Girl, for Ealing Studios movie of the same name I Want Candy.
The enduring popularity of Bow Wow Wow's recording is partly due to the memorable video that got heavy play in the early days of MTV. This recording is highly associated with 80's pop music.