- Defectus Equites
- Defend The Motherland
- Defusion
- Defying the Odds
- Defying the Odds/Chapter 1: Questions
- Defying the Odds/Prologue: Convicted
- Del'taan
- Delete this
- Delightful the Cat
- Delila the HedgeCat
- Delilah the Cat (RFU)
- Delmare the Bear
- Delphonus
- Delta 34
- Delta Search
- Democratic People's Republic of Spagonia
- Demon Hunter Massacre
- Demon Karitori
- Demon Rank
- Demon Slayer Armor
- Demon Slayer Organization
- Demons
- Demons (Re: Sonic GX)
- Dempsey the Tiger
- Dena and Sora Sports Mix
- Dena the Hedgehog
- Denis Black Prower
- Denise the Chameleon
- Denkitachi
- Denkitachi/Subspecies
- Denno Sentai Digiranger
- Denying Intent of Power
- Denying Intent of Power/Episode Text
- Depths of Dimensions
- Depths of Dimensions/Part 1?
- Depths of Dimensions/Part 1J
- Depths of Dimensions/Part 1R
- Depths of Dimensions/Part 1S
- Depths of Dimensions/Part 2J (SL)
- Depths of Dimensions/Part 2J (SO)
- Depths of Dimensions/Part 2J (SO)/Singing Bit 1
- Depths of Dimensions/Part 2J (SO)/Singing Bit 2
- Depths of Dimensions/Part 2J (SO)/Singing Bit 3
- Depths of Dimensions/Part 2J (SR)
- Depths of Dimensions/Part 2S
- Depths of Dimensions/Part 3J (HB)
- Deraj Ivan Bradanska (Personal Biography)
- Derek The Hedgehog(ResonanceDude)
- Derek the Deer
- Derek the Hedgehog
- Derr, God of Knowledge
- Derrick the Hedgechidna (Hybrid)
- Deruka
- Desert Hawk
- Desert Ocean Zone
- Desert Sands
- Desert Walkers
- Despacito-chan
- Despair Darkmind
- Desperate Hedgehogs
- Destiney and Gwen: Time Travelers
- Destiney the Hedgehog
- Destiny & Fate (Katanas)
- Destructive Beam
- Destructix (Neo Mobius)
- Detective Sonic
- Determination
- Detonator the Weasel
- Devi "Delross" Devilan
- Devoyva the Conqueror
- Dexter of Awesomeness
- Dexter the Fox
- Deyna Ryunosuke
- Dezunu The Hedgehog
- Diablo y dios
- Diamond Bling the Spider
- Diamond the Chipmunk
- Diamond the Hedgehog
- Diamond the echidna
- Diana Giffard
- Diana Smith
- Diana The Rabbit
- Dibujo the Nexus
- Dice the Mech Mantis
- Diddy Bandicoot
- Dig
- Dig Under
- Digger the Dog
- Digital Cyberspace
- Dillard the Dunnart
- Dimension of the Creation Spirits
- Dimensional Chaos
- Dimitri (Burpy's Dream)
- Dimitri (MxG)
- Dimitri Chronicles
- Dimitri Chronicles/History
- Dimitri Chronicles/Lore
- Dimitri Chronicles: Age of Heroes
- Dimitri Chronicles: Age of Heroes/All For One
- Dimitri Chronicles: Flames of Courage
- Dimitri Chronicles: Flames of Courage/Before the Storm
- Dimitri Chronicles: Flames of Courage/Epilogue
- Dimitri Chronicles: Flames of Courage/Nightmare Reborn
- Dimitri Chronicles: Flames of Courage/Red Roses, Black Hearts
- Dimitri Chronicles: Flames of Courage/The Blood-Soaked Empress
- Dimitri Chronicles: Reign of Darkness
- Dimitri Chronicles: Reign of Darkness/Epilogue
- Dimitri Chronicles: Reign of Darkness/Featured Article Interview
- Dimitri Chronicles: Reign of Darkness/Oblivion of Shadows
- Dimitri Chronicles: Reign of Darkness/Rise of the Mystic
- Dimitri Chronicles: Reign of Darkness/The Moonlight Pledge
- Dimitri Chronicles: Reign of Darkness/Twilight Whispers
- Dimitri Prinus the Echidna
- Dimitri Prinus the Echidna/History
- Dimitri Prinus the Echidna/Interview
- Dinnic the Foodhog
- Dino-Emeralds
- Dino-Emeralds III
- Dire Wolf Pack
- Dire the Werewolf
- Dire the Wolf
- Dirk Aleshire
- Dirk the Cat
- Disadorna the Crystalhog
- Disaster Club
- Disaster Club/Gameplay
- Disaster Club/NPC fighters
- Disaster Club/Story Mode
- Dischordia the Werewolf
- Disco The HedgeFox
- Discord, Carnage and Ruin
- Discord Industries
- Discord the Devil Chao
- Discord the Fox
- Dismal the Hedgehog
- Dismissed
- Displacement
- Ditka "Renegade" the CyberWolverine
- Ditzy-Pixie "Dot"
- Ditzy The Weasel
- Divide and Conquer
- Divine the Djinn
- Dixie Kwill
- Djinn Princess (Monsterverse)
- Djinn Soul
- Dlan
- Docks
- Doctor & Hedgehog
- Doctor Abraxas
- Doctor Eggman's inside story
- Doctor Eggman(Video Game)
- Doctor Eggman/Darkest Shadow's Universe
- Doctor Eggman (Speed Chronicles)
- Doctor Extractor
- Doctor Ivo "Eggman" Robotnik/Marshalia13's Universe
- Doctor Ivo Robotnik (New Universe)
- Doctor Ivo Robotnik (Sonic Underground: The Continuation)
- Doctor Jay the Hedgehog
- Doctor Sinnex
- Doctor Tangent
- Doctor Tangent's Robot Army
- Dogwood Forest
- Dolly the Cow
- Dom Thomason
- Domestic Radical Adventures
- Domestic Radical Adventures: Victory Streak
- Domestic Radical Adventures Forever
- Domestic Radical Pokemon
- Domina the Rabbit
- Domini
- Dominik the Devil
- Domino the Quoll
- Dominus
- Dong the Power Hedgehog
- Donna the Echidna (Artificial Intelligence)
- DoodleHog
- Doom1989 Continuity
- Doom The Hedgehog
- Doom the Hedgehog (That's Not Funny)
- Doomguy The Alligator
- Doomtress the Hedgehog
- Doorstep Gift
- Doppel the chao
- Dorian the cat
- Doriteverse
- Doriteverse/Mobians
- Doriteverse/Mobini
- Doriteverse/Mobini/Chao
- Doriteverse/Robians
- Doriteverse/Undeveloped Characters
- Double Scratch
- Douglas the Hedgehog
- Douglas the Wolf
- Dovahkin Tribe
- Down Draw
- Downtown Teenage Adventures (Anime Series)
- Dr.Lox
- Dr. Dandelion the Rabbit
- Dr. EggRey (E-Josh)
- Dr. Eggman
- Dr. Eggman's Touhou Adventure Battle
- Dr. Eggman/Doriteverse
- Dr. Eggman (Burpy's Dream)
- Dr. Eggman (Burpy's Dream)/Mr. Tinker
- Dr. Eggman (Cyclone AU Reboot)
- Dr. Eggman (Fleetway Super Sonic:The True Story)
- Dr. Eggman (IncaIceBunny's Universe)
- Dr. Eggman (Re: Sonic GX)
- Dr. Eggman (Sonic: Revolutions)
- Dr. Eggman the show
- Dr. Finitevus, Light Mobius Future Story
- Dr. Finitevus, Light Mobius Future Story/ Chapter 1: Visions and Tellings
- Dr. Finitevus, Light Mobius Future Story/ Prologue
- Dr. Finitevus (Burpy's Dream)
- Dr. Finitevus (Dark Mobius; Burpy's Dream)
- Dr. Finitevus (Final Freedom Fighters continuity)
- Dr. Finitevus (Marshalia13's Universe)
- Dr. Finitevus (Post Genesis Wave)
- Dr. Finitevus (Protocol Cy-Fox)
- Dr. Hedgebot
- Dr. Infinitevus
- Dr. Janice Scavenger
- Dr. Magic
- Dr. Maxwell Hamberger
- Dr. Mecha Hedge
- Dr. Oswin Porcupine
- Dr. Robotnik (BearfootTruck's Universe)
- Dr. Robotnik (Blue Blur)
- Dr. Starline (Burpy's Dream)
- Dr. Starline (Tangle X)
- Dr. Tacoman
- Dr. Tempest the Cat
- Dr. William Gilliard
- Dr. Zachary (MxG)
- Dr Eggman (Sonic Adventures)
- Dr Eggman ( Sonic and Tails R)
- Dr Eggman Elite
- Dr Robotnik's Mean Bean Machine (Sega CD)
- Dra Gen Ra
- Draco Meteor
- Draconai's Chaos Arts
- Dragen the Oblivion
- Dragen the Oblivion/Disaster Club
- Draggy the Mane Lavenblue Dragon
- Dragny's Children
- Drago Wolf (Sonic Piece)
- DragonFlare of Hinode
- Dragon Claw
- Dragon Pulse
- Dragon Shark
- Dragon Sonic XZ
- Dragon Style
- Dragon Tail
- Dragon Temple
- Dragonbane Legends: The Story of the Dragons
- Dragoon Panzyr/Attacks
- Drake
- Drake Yamamoto
- Drake the Black Arms Hybrid
- Drakelloids
- Drakero the Dragon
- Draknar the Lorikeet
- Drakon Empire
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