There are at least 11 artists with this name
1. A neo-rockabilly band from the United Kingdom
2. A melodic hardcore band from Ohio, United States
3. A heavy metal band from Germany
4. A metalcore band from Australia
5. A gothic metal band from Indonesia
6. A hardcore band from Virginia, United States
7. A hardcore band from Swindon, England
8. A hardcore band from Cambridgeshire, England now called First Breath.
http://www.last.fm/music/First+Breath
http://www.facebook.com/Restlesshxc
9. An ambient hardcore band from San Antonio, TX.
http://www.facebook.com/restlesshc
http://restlesshc.bandcamp.com/album/walk-the-world
10. Oi! band from Russia.
11. ResTLess - alternative/punk/reggae band from Russia, Kursk.
https://vk.com/restlessband Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.