[[caption-width-right:234:Mortiis, in his natural habitat.]]

Mortiis is a band from Notodden, Norway fronted by Håvard Ellefsen (former member of the BlackMetal band {{Music/Emperor}}), who is also known as the namesake of the band. The name is a misspelling of the word 'mortis', [[ItIsPronouncedTroPay which is the pronunciation used by the band]]. However, Mortiis started as the solo project of Ellefsen as a means to convey a story. This aspect was lost over time and Mortiis slowly formed into a band. Between 1993 and 1999 the solo project focused on dark {{ambient}} music, until 2001's ''The Smell of Rain'' in which it became more {{Industrial}} sounding. With the release of ''The Grudge'' Mortiis became an official band rather than a solo project, and the music shifted toward IndustrialMetal.

Until 2007, Mortiis was never seen without his mask; a troll-like face with a large nose and pointed ears. The mask changed over time as well; by the release of ''The Grudge'' it began to look like it had been stitched and stapled in place. Finally after 2007's ''Some Kind of Heroin'', Mortiis removed the mask permanently.

Era I
* ''The Song of a Long Forgotten Ghost'' (1993)
* ''Født til å Herske'' (1993)
* ''Ånden som Gjorde Opprør'' (1994)
* ''Keiser Av En Dimensjon Ukjent'' (1995)
* ''Blood and Thunder'' (1995)
* ''Crypt of the Wizard'' (1996)
* ''The Stargate'' (1999)
Era II
* ''The Smell of Rain'' (2001)
* ''The Grudge'' (2004)
* ''Some Kind of Heroin'' (2007)
* ''Perfectly Defect'' (2010)
Era 0
* ''The Great Deceiver'' (2016)


* AGodIAmNot: "Monolith", from ''The Smell of Rain'' seems to be about this.
* AllTrollsAreDifferent: According to Ellefsen, "I do not look upon myself as a goblin, or troll, or elf, or medieval. [[IAmWhatIAm I am merely Mortiis.]]"
* BreakupSong: "The Grudge" is a particularly angry one.
* BSODSong: "Everyone Leaves", a song about how everyone you know will eventually leave you or die no matter how hard you hold on.
* ConceptAlbum: Pretty much anything from Era I.
* CoolMask
* EraSpecificPersonality: Ellefsen, and the music itself.
* GenreShift
* GriefSong: "Everyone Leaves"
* KayfabeMusic: The troll gimmick, which has now been dropped for better or for worse.
* NewSoundAlbum: Practically every album since ''The Smell of Rain''. The changes in his style are divided into "Eras" by fans.
* PointyEars
* ReligionRantSong: "Underdog"
* WickedWitch: Subject of the song "Smell the Witch"