Vito Lucente, better known as Junior Jack, is a house music producer and DJ, born in Italy, but resident in Belgium. He is better known for the singles "My Feeling", "Thrill Me (Such A Thrill)", "E Samba", "Stupidisco" and "Da Hype", the latter featuring vocals by Robert Smith from The Cure.

Lucente has also worked with disco artist Oliver Cheatham under the name Room 5, achieving the #1 in the UK's Top 40 charts and the European Dance Charts with the single "Make Luv", a remake of Cheatham's "(Get Down) Saturday Night". Junior's own "E-Samba" became the second biggest club hit in year 2003. As a remixer, he has reworked tracks for artists such as Whitney Houston, Moby, Bob Sinclar and Utada.

So far, he has only released two records, Trust It, one under the name Junior Jack, and Music And You, as Room 5, both from label PIAS Recordings.

In 2007 "Stupidisco" was re-released as "Dare Me (Stupidisco)" complete with a newer vocal that removed the initial sample from the Pointer Sisters