Pål Mathiesen

Pål Mathiesen (born on 14 August 1977), also known under the stage names Athera and Shady Blue, is a Norwegian singer, best known as the former lead vocalist of the black/thrash metal band Susperia. He is also the former lead vocalist of Chrome Division and a session live vocalist in Borknagar.

In 2009, Athera suffered a heart attack which resulted in major open-heart surgery.

Vanaheim

 * En Historie (1997)
 * Helter og Kongers Fall (1998)

Susperia

 * Illusions of Evil (demo, 2000)
 * Predominance (Nuclear Blast, 2000)
 * Vindication (Nuclear Blast, 2002)
 * Unlimited (Tabu, 2004)
 * Devil May Care (EP, Tabu, 2005)
 * Cut from Stone (Tabu, 2007)
 * Attitude (Candlelight Records, 2009)

Chrome Division

 * Third Round Knockout (Nuclear Blast, 2011)
 * Infernal Rock Eternal (2014)