Before The Series[]
- Michael - Janet Jackson's Boob
- Michael - Monica Lewinsky (twice)
- Michael - OJ Simpson
- Michael - Microcephalic Penis
Season 2[]
Episode 5 - Halloween
- Michael - Two Headed Michael
- Dwight - Sith Lord from Star Wars
- Kelly - Dorothy from The Wizard of Oz
- Pam - Cat/Kitten
- Jim - Three Hole Punch Jim (Attached three black dots to his shirt)/Two Hole Punch Jim (After one dot falls off)
- Phyllis - Cat
- Angela - Kitten
- Devon - Bum
- Kevin - Dunder Mifflin Man (NOT Mr. Incredible)
- Toby - Hugh Hefner
- Creed - Dracula
- Oscar - A woman
Season 5[]
Episode 6 - Employee Transfer
- Pam - Charlie Chaplin
- Stanley - Gill-Man from Creature from the Black Lagoon
- Creed - Joker from The Dark Knight
- Dwight - Joker from The Dark Knight
- Kevin - Joker from The Dark Knight
- Kelly - Carrie Bradshaw from Sex and the City
- Ryan - Gordon Gekko from Wall Street
- Oscar - Uncle Sam
- Meredith - Cheerleader
- Phyllis - Raggedy Ann
- Andy - Cat from Broadway musical Cats
- Angela - Kitten
- Jim - Dave (wearing a name tag that says "Dave")
Season 6[]
Episode 8 - Koi Pond (deleted scene)
- Jim - Facebook (wrote the word "book" across his face)
- Meredith - Hobo
- Dwight - Billy the puppet from Saw
- Angela - A Black Widow
- Oscar - Sarah Palin
- Kevin - Paul Blart from Paul Blart Mall Cop
- Kelly - Leeloo from The Fifth Element
- Phyllis - Witch
- Erin - Princess Fiona from Shrek
- Pam - Rosemary from Rosemary's Baby
- Creed - Dracula
- Ryan - Edward Cullen from the Twilight Saga
- Andy - Michael Jackson ("Thriller" costume)
- Michael - Dick in a Box from SNL skit
- Darryl - Pumpkin
Season 7[]
Episode 6 - Costume Contest
- Michael - MacGruber, then Darryl (Oscar's afro wig and a warehouse uniform) before changing back
- Dwight - The Scranton Strangler
- Jim - Popeye
- Pam - Olive Oyl
- Ryan - Justin Bieber
- Andy - Bill Compton from True Blood
- Stanley - Samurai warrior
- Kevin - Michael Moore
- Creed - Mummy
- Meredith - Sookie Stackhouse
- Kelly - Snooki, then Katy Perry
- Erin - Hideous monster
- Angela - Penguin, then a sexy nurse
- Toby - Hobo clown (possibly Emmet Kelley's Weary Willie)
- Oscar - 70s pimp, then a "rational consumer" (but mistaken by Creed to be Edward James Olmos)
- Darryl - Dracula
- Phyllis - Supreme Court Justice Sonia Sotomayor
- Gabe - Lady Gaga
- Todd Packer - Pregnant nun
- Bob Vance - Dirty Harry
- Cece - Swee'Pea from Popeye
Season 8[]
Episode 5 - Spooked
- Andy - Construction Worker
- Jim - Chris Bosh
- Pam - Kangaroo
- Angela - Kitten (same costume as in Halloween and Employee Transfer)
- Phyllis - Burlesque dancer
- Stanley - Chef
- Darryl - Lebron James
- Creed - Osama Bin Laden
- Meredith - Kate Middleton
- Oscar - Anthony Weiner
- Kevin - Dwayne Wade
- Erin - Wendy from the restaurant logo for Wendy's
- Ryan - Jesse Pinkman from Breaking Bad
- Toby - Skeleton
- Kelly - Skeleton
- Gabe - Skeleton
- Dwight - Queen of Blades/ Kerrigan, from Starcraft
Season 9[]
Episode 5 - Here Comes Treble
- Andy - George Michael
- Meredith - Black Widow from The Avengers
- Dwight - Pig and a Jack-o-lantern
- Erin - Puppy
- Oscar - Dinosaur/Electoral College
- Pam - Dr. Cinderella
- Jim - "One of the Men in Black Guys"
- Robert Lipton - Ronald Reagan
- Angela - Nancy Reagan
- Kevin - Charlie Brown
- Phyllis - Cheerleader
- Stanley - Olympic Gold Medalist
- Nellie - Sexy Toby
- Creed - Himself (Shows up in a blood-stained shirt, unaware that it is Halloween)
- Darryl - Cowboy (in a plaid shirt)