One of mine is fan fiction that includes the misspelling of a character's name. This really bugs me.
So, in the interest of ... pet peeves .... I took a few minutes to make a list of the correct way to spell Btvs/Ats characters' names. (Yes, I know there are sources I could link instead but I was motivated.)
:D
BtVS:
Buffy Anne Summers, Vampire Slayer
Nicknames:The Slayer, Slayer, Buff
Alexander LaVelle Harris
Nicknames: Xander, Xand, Xan
Willow Rosenberg
Nicknames: Will, Red
Rupert Edmund Giles, Watcher
Nicknames: Ripper
Cordelia Chase
Nicknames: Cordy, Cor
Angel
AKA: Angelus, Liam
Nicknames: Dead Boy, Peaches, Daddy
Daniel Osbourne
Nickname: Oz
Anya
AKA: Aud, Anyanka, Anya Emerson, Anya Christina Emanuella Jenkins
Nickname: Ayn.
Spike
AKA: William, William "the Bloody"
Nicknames: Willy, Will, Blondie Bear
Surname, if you choose to use it: Pratt
Joyce Summers
AKA: Mom, Mrs. Summers
Riley Finn
Nickname: Ri
Dawn Summers, The Key
Nicknames: Dawnie, the Bit
Tara Maclay
Major recurring characters:
Faith Lehane, Vampire Slayer
(Lehane surname canon as of Buffy issue #40)
Jenny Calendar
Birth name: Janna Kalderash (or Janna of the Kalderash)
Wesley Wyndam-Pryce, Watcher
Warren Mears
Jonathan Levinson
Andrew Wells
Major Villains:
The Master (birth name: Heinrich Joseph Nest)
Spike
Drusilla
Angelus
Mayor Richard Wilkins III
Faith
Professor Maggie Walsh
Adam
Glory/Glorificus
The Trio (Warren Mears, Jonathan Levinson, Andrew Wells)
Dark Willow
The First Evil
Minor characters, recurring:
Ethan Rayne
Kendra, Vampire Slayer
Principal Robert "Bob" Flutie
Harmony Kendall
Amy Madison
The Anointed One/Collin
Larry Blaisdell
Devon MacLeish
Principal R. Snyder
Principal Robin Wood
Chantarelle/Lily/Anne Steele
Willy the Snitch
Whistler
Deputy Mayor Allan Finch
Scott Hope
Quentin Travers
D'Hoffryn, Lord of Arashmaharr
Halfrek/Cecily Addams/Cecily Underwood
Percy West
Mr. Trick
Caleb
Parker Abrams
Forrest Gates
Graham Miller
Ben
Jinx
Katrina Silber
Clem (short for Clement)
Rack
Cassie Newton
The Potentials:
Amanda
Chao-Ahn
Kennedy
Molly
Rona
Vi
BtVS the movie canon characters:
Merrick-Buffy's first watcher
Pike-Friend. Possibly a boyfriend.
Lothos-A master vampire
:
Ats:
Angel
AKA: Angelus, Liam
Nicknames: Dead Boy, Peaches, Daddy, The Dark Avenger
Cordelia Chase
Nicknames: Cordy, Cor
Allen Francis Doyle
Known as: Doyle
Wesley Wyndam-Pryce
Nicknames: Wes
Charles Gunn
Known as: Gunn
Winifred Burkle
Nicknames: Fred, Freddikins
Krevlornswath of the Deathwok Clan
Nicknames: Lorne, The Host
Connor
AKA: The Destroyer, Connor Reilly
Spike
AKA: William, William "the Bloody"
Nicknames: Will, Blondie Bear
Wolfram & Hart characters:
Lindsey McDonald (AKA Sean "Doyle")
Lilah Morgan
Lee Mercer
Holland Manners
Gavin Park
Linwood Murrow
Nathan Reed
Major recurring characters:
Kate Lockley
Faith
Darla
Drusilla
Daniel Holtz
Justine Cooper
Sahjhan
The Beast
Jasmine
Harmony Kendall
Illyria
AKA: God King of the Primordium (shaper of things)
Nicknames: Smurf, Blue Thunder
Minor characters, recurring:
David Nabbit
Virginia Bryce
Merl
Anne Steele
Groosalugg
Gwen Raiden
Eve
Knox
Nina Ash
Marcus Hamilton
Note-able crossover appearances by BtVS characters:
Daniel "Oz" Osbourne
Buffy Summers
Willow Rosenberg
Andrew Wells
The Circle of the Black Thorn includes the characters:
Archduke Sebassis
Cyvus Vail
Izzerial the Devil
Senator Helen Brucker
And last, but by no means least, "Buffy the Vampire Slayer" and "Angel" were creations of Joss Whedon and Mutant Enemy Productions.
If I've forgotten anyone major or minor/major, please leave a comment.