A.k.a. Robert J. Hertog Aus Party Aussie Poester B-Rave Bell Boy Boekenwurm Bonkmonster Bourbon Bronto Babe Cloudmaker (2) De Weekendhakkûr De Zandbakkûh Dinopower DJ Gappieraver DJ Germaan Drop Of Love Gabbers United Grote Gabber Gutte Grut Hakkuhlaar Headvillage Bubonics Hulk Groenknots Jerry Wolff (2) Kleuters Voor Gabbers MC Mayonaise MC Oervrouw Mein Loch Moerasmannen Nablijvertje Neandergabber No ID Organizer (5) Seven Habits Soundcraft (5) Spooky Mooky The 8th The Hakstriet Boys The Heehoo's Triggerhead Tripple 6 Vibezz X-Man (6) Zomûrkefûr Zuurballetje
When happy hardcore became very popular in the mid 90's everybody wanted to make cover versions of already existing songs, as did Robert J. Hertog under various names.