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Maniacal Renderings was created in 2005.
The Maniacal Vale was created in 2008.
A maniac is a person in the state of being maniacal.
Definition of Maniacal:
1. affected with or suggestive of madness (maniacal laughter)
2. behavior characterized by ungovernable excitement or frenzy
Maniacal Miscreation was created in 2020-04.
That is the correct spelling of the adjective "maniacal" (mad, deranged).