In The Zeppo, Cordelia calls Xander “the Zeppo of the group”. She’s referring to Herbert “Zeppo” Marx, the youngest of the five Marx brothers who were a comedy troupe from the 1920s to the 1940s. He always seemed to be in the background, acting as a foil for Chico or …

In Something Blue, Spike mentions The Zagat’s Guide, which is a popular American guidebook: “Comfy? I’m chained in a bathtub drinking pig’s blood from a novelty mug. Doesn’t rank huge in The Zagat’s Guide.”

Zach Whedon is Joss Whedon’s playwright brother. He appeared in a play with John Ritter, who played robot Ted Buchanan in the episode Ted. In an interview on his brother, Zach revealed that he initially didn’t have much faith in the TV version of Buffy, though he later grew to …

Before her father was arrested for tax evasion, Cordelia drove a red Chrysler Sebring convertible, and her license plate was “QUEENC”. Cordelia passed her driving test sometime between The Witch (when we discovered she hadn’t yet passed her test) and Prophecy Girl (when we saw her driving.)

Todd played evil frat boy Tom Warner in Reptile Boy. He also played Vin Ramsell in Days of Our Lives and appeared in the crappy 2001 remake of Planet of the Apes.

Greg Vaughan played Richard Anderson in Reptile Boy. Greg played Dan Gordon in Charmed, Cliff Yeager in Beverley Hills 91020, Lucky Spencer #3 in General Hospital and Diego Guttierez in The Young and the Restless. Coincidentally, Joss Whedon’s assistant is called Diego Guttierez (he also wrote the episode Normal Again). …

Robin played Machida in Reptile Boy. He also played Byron, a poetic telepath on Babylon 5. He played the ‘Demon of Illusion’ in an episode of Charmed called ‘Chick Flick’. Robin’s main occupation is voice work and he has provided the voices for many video games including The Hobbit, Doom …

Sweet was a red-skinned demon who was a talented singer and dancer. By invoking Sweet’s power, life becomes a musical, with everyone bursting into song and sharing their intimate feelings… though ultimately spontaneously combusting by dancing themselves to death. Xander secretly summoned Sweet in Once More, With Feeling to ensure …

Sven was a Scandinavian exchange student who stayed at Cordelia’s house in Inca Mummy Girl, and was heavily patronised and bossed around by his host.

Sunday was a blonde, goth, bossy vampire whose group ruled over UC Sunnydale, killing and siring new students and pretending they had left college due to stress. Sunday’s gang stole the student’s belongings and had a competition of student posters: Monet vs Klimt. Sunday fought and beat Buffy when she …

Stewart Burns was made into a demon and sent to a hell dimension by Anya in Chicago, 1914. He got revenge on her by disguising himself as an old man, pretending to be Xander from the future. He showed Xander false visions of a hellish married life to Anya, which …

Ms. Stevens was the Principal at Dawn’s school, before she moved to the new Sunnydale High. She told Buffy Dawn may be taken into care if Buffy couldn’t get the teenager to attend school in Tough Love.

Detective Stein questioned Buffy over the deaths of Ted Buchanan (in Ted), Kendra (in Becoming (Part 2) - when he talked to Joyce about Buffy) and the deputy Mayor, Alan Finch (in Consequences).

Spike was a vampire who teamed up with his insane girlfriend Drusilla to kill Buffy. He posed a real threat as he had previously killed two Slayers. Things started to go wrong for Spike. Dru left him, and he was captured by a secret Government agency who placed a chip …

Glory brought a Khul’s Amulet and a Sobekian Blood Stone from the Magic Box in order to raise Sobek, and find the Key in Shadow. She found a normal snake in the zoo and transformed it into a giant demon snake. In the Buffyverse, the Sobekites were an ancient Egyptian …