Cassandra Peterson reveals the essential ingredients behind her famous alter ego as "Elvira: Mistress of the Dark" turns 35.

Elvira has indeed become a Halloween staple, with celebs like Kylie Jenner and Lizzo notably dressing up as the Mistress of the Dark in recent years.

Cassandra Peterson — the sexually fluid actress who has played the character Elvira, Mistress of the Dark, since the early 1980s — recently posted Instagram videos mocking Elon Musk, the ...

In 2021, Shudder released Elvira's 40th Anniversary, Very Scary, Very Special, Special, a four-episode series celebrating four decades of the Mistress in the Dark.

Elvira, Mistress of the Dark, performs her review at Knott’s Scary Farm in 2017. (Photo by Bill Alkofer, Orange County Register/SCNG) ...

Peterson joined the LA-based Groundlings in 1979 where she created her Elvira persona, a Mistress of the Dark horror host known for her signature Valley girl voice, campy jokes and Morticia Addams ...