Complete Costumes

Bill Cipher (Humanised/Gijinka)
Gravity Falls
Wes
Don't Starve
The Smiler (Gjinka/Humanised)
Alton Towers
Kankri Vantas
Homestuck
Wilson P Higgsbury
Don't Starve
Turbo
Wreck-It Ralph
Orochimaru (Young)
Naruto
Jeff the Killer
Creepypasta
Gilderoy Lockhart (Young)
Harry Potter and the Chamber of Secrets
Karkat Vantas
MS Paint Adventures: Homestuck
Kishin Asura
Soul Eater
Hanabusa Aidou
Vampire Knight
Slender Man
Marble Hornets
Saix
Kingdom Hearts II
Walter Dornez
Hellsing Ultimate OVA

In Progress Costumes

Undyne (Male)
Undertale
Handsome Jack
Borderlands 2
Taneleer Tivan aka The Collector
Guardians of the Galaxy
Foxy (Humanised/Gijinka)
Five Nights at Freddy's
Randy Boggs (Gijinka)
Monsters University
Pitch Black
Rise of the Guardians
The Joker
Gotham High
Gamzee Makara (4Chords)
MS Paint Adventures: Homestuck
Gamzee Makara
MS Paint Adventures: Homestuck

Planned Costumes

Hydrar the Water Wizard
Spyro the Dragon - Ripto's Rage/Gateway to Glimmer
Peepers
Beyond Good and Evil
Love Machine (Kenji's Avatar)
Summer Wars
The Joker (Purple Suit)
The Batman
Dr Drakken
Kim Possible
The Riddler
The Batman
Donquixote Doflamingo (Marinefold)
One Piece
Lazar
Yu-Gi-Oh 5d's
Dr Vellian Crowler (Cloaked Version)
Yu-Gi-Oh GX
Childerich (Gladiator)
Suikoden V
Egg Thief (Blue)
Spyro the dragon
Ripto
Spyro the Dragon - Ripto's Rage/Gateway to Glimmer
Professor Pester
Viva Pinata