Tommy James and the Shondells are an American rock and roll group . "Mony Mony" is a 1968 single by American pop/rock band Tommy James and the Shondells, which reached No. 1 in the UK Singles Chart , and No 3 in the Billboard Hot 100 . On WLS, "Mony Mony" was #1 on 6-13 May 1968, two years to the day after the nearly identically named "Monday, Monday" by The Mamas and the Papas was #1 on the station. Written by Bobby Bloom, Ritchie Cordell, Bo Gentry, and Tommy James, the song has appeared in various film and television works such as the Oliver Stone drama Heaven & Earth.It was also notably covered by English singer-songwriter Billy Idol in 1981. Idol's version, which took in more of a new wave and power pop sound, became an international top 40 hit and additionally revived public interest in the original garage rock single. (source Wikipedia)