There are at least 2 artists with the name Griever

1. An English metalcore band
2. An American hardcore band

1. Griever are a metal band from Bournemouth, England. Combining slamming riffs, crushing breakdowns, technical solos and emotive melodies & choruses, Griever are establishing themselves as an accomplished modern metal act.
http://grieveruk.bandcamp.com

2. a sludgy hardcore band from California, USA. Featuring members of Lewd Acts.
http://griever.bandcamp.com/ Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.