Mutant Enemy

Its offices (made out of glass bricks) were on the lot of 20th Century Fox in Los Angeles, previously the home of Chris Carter's Ten Thirteen Productions.

(On the special features of the Buffy DVDs, Whedon also says in an interview that he called his typewriter "mutant enemy".)

The company's end-of-credits logo and mascot is an intentionally poorly animated vampire monster cartoon figure crossing the screen from right to left and saying, "Grr.

In the canonical Buffy the Vampire Slayer: Season 8 comic books, issue 22 "Swell", on page 10, the slogan for an in-comic fictional product is "Vampy Cat!

Staff members of Mutant Enemy, all of whom have writing and/or production credits on at least one of the above shows, have included, in alphabetical order:

The original Mutant Enemy logo, as seen at the end of Buffy the Vampire Slayer , Firefly , and other productions