There are probably more artists with this name, but if you're listening to the UK dub artist then it should be "The Rootsman".
Please be so kind and correct your MP3s..
(it's not that much work to do)

2) Also the professional name of Alex Jhonny Delanux fromTamatave, Madagascar. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.