Contemptible Cover: The original version of Origin of the Feces is a close-up of Peter Steele's anus.
And the cover of Slow, Deep, and Hard is a picture of vaginal insertion, just put through a filter that makes it not noticeable until you are looking for it. And after that, you can't stop seeing it.
Covers Always Lie: Bloody Kisses and Dead Again have no songs about what their covers depict, The Origin of the Feces isn't a live album, and the pseudo-runic font in the October Rust booklet only means the album has not a single song about vikings.
Despair Event Horizon: World Coming Down is the epitome of this. Three of the four interludes are extremely realistic portrayals of death brought upon by cocaine, alcohol, and cigarettes, while all of the actual songs (save for the Beatles medley at the end) deal with depressing subjects.
Greatest Hits Album: Two of them, one compiled by the band themselves, and another put together by their by-then-former record label, both largely covering the same material. In line with the band's occasional use of Self-Deprecation, the former was called The Least Worst of Type O Negative, and started with a completely silent filler track from one of their albums (the implication being that they considered 39 seconds of silence to be among their best work).
Have I Mentioned I Am Heterosexual Today?: "I Like Goils" is this distilled into one song. As mentioned above, it was written after Peter Steele discovered (after posing in Playgirl) that an estimated 50% or more of Playgirl readers and subscribers were men, and that he had unintentionally become a minor gay icon.
I Am the Band: Averted. Though Peter Steele was without question the Face of the Band and main songwriter, many decisions were made by other members (such as using programmed drums on the three albums recorded after Johnny Kelly replaced their previous drummer Sal Abruscato, October Rust, World Coming Down and Life Is Killing Me; only their last album features Johnny Kelly playing actual drums).
Idiosyncratic Album Theming: Several of the band's albums start with sound effect-laden or humorous intros, such as: "Machine Screw" on Bloody Kisses (a combination of machine sounds and a woman having sex), "Bad Ground" and the untitled intro and outro of the band jokingly playing down the album on October Rust, and "Skip It" on World Coming Down, 10 seconds of sounds edited to sound like the CD is skipping followed by Kenny Hickey shouting "Sucker!" (the cassette version replaced that with editing to make it sound like the tape was being eaten).
I Love the Dead: While not as explicit as one would expect from a songwriter with Steele's sense of humour (or decency), some songs (Haunted comes to mind) have shades of this.
In The Style Of: Their cover of "Cinnamon Girl" is probably the best example.
Neoclassical Punk Zydeco Rockabilly: Pigeonholed as gothic metal, the genres that they mixed included crossover thrash, gothic rock, industrial, stoner metal, doom metal, 60s protopunk, and no small amount of pop (albeit in a very snide, mocking manner). The results spoke for themselves.
New Sound Album: Bloody Kisses, which was where they found their signature gothic/doom sound while for the most part moving away from the Carnivore-styled thrash of Slow, Deep and Hard.
Post Modernism: Tracks like "Bad Ground" and "Skip It" have no other purpose than to be "meta."
Pun-Based Title: The Origin of the Feces, "We Were Electrocute" and "The Profits of Doom".
Rated G for Gangsta: The Bloody Kisses album shamelessly mocks this phenomenon by way of Mood Whiplash, October Rust is a seemingly straighter example, and World Coming Down an inversion. When they apparently tried this genuinely with Life is Killing Me...another Creator Breakdown happened and they made the dark, aggressive Dead Again.
Sensual Slavs: Peter was allegedly 1/4 Polish, 1/4 Russian and 100% sex appeal.
What The Hell Is That Accent: Peter mostly sings normally, and in the Spoken Word In Music bits shows an obvious Brooklyn accent, but in some songs ("Todd's Ship Gods (Above All Things)"), especially when performing in the ridiculously deep voice, it sounds like he's singing in an accent stuck between "Noo Yawker" and "Vaguely Uberwaldian".