When The Exploder came out Mannhai made a practical joke: The web address www.mattivanhanen.com directed websurfers not to the web pages of then Prime Minister of Finland Matti Vanhanen but to the website of Mannhai.
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Mannhai's song "Spiritraiser" is often featured on the Finnish television show, The Dudesons as well as being heard on their feature length movie.
Under the Sign of the Wolf is a split single by the bands Reverend Bizarre and Mannhai, released in 2006 on The Church Within Records.
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