666 is a German trance style DJ act, created by Thomas Detert and Mike Griesheimer (DJ666, also known as Mike Red). They produce a mix of house music and often include lyrics in Spanish and English. Both Detert and Griesheimer were originally the creators of Activate, a eurodance band.

Their MySpace page stated that they would be releasing 'new material' in 2007, but no other information is provided or is known. Their last single release was in 2005.