Villains

A:
A.D.A.M.
Alicia Acorn
Avery
B:
Ball Hog
Bark the Polar Bear
Bat Brain
Battlekukku XV
Bean the Dynamite
Beauregard Rabbot
Benedict
Black Death
Black Doom
Blackjack
Burrobot
Buzzbomber
C:
Caterkiller
Chaos
Coconuts
Combots
Conquering Storm
Crabmeat
Crocbot
Croctobot
D:
Damocles the Elder
Dimitri
Doctor Finitevus
Doctor Eggman
Doctor Fukurokov
Doctor Ivo Robotnik
Doctor Nega
Downtown Ebony Hare
Drago Wolf
E:
E.V.E.
Eel Capone
Egg Fleet
Egg Pawns
Eggbots
Enchantress
Enerjak
F:
Feist
Fiona Fox
Flying Frog
Foxxxy
G:
Grounder
H:
Hunter
I:
Iron King
Iron Queen
Isaac
Ixis Naugus
J:
Jack Rabbit
Jaws
Jeffrey St. Croix
Jet the Hawk
Johnny
Jolt
K:
Kage Von Stryker
Kodos
Kragok
L:
Lien-Da
Lightning Lynx
M:
Mammoth Mogul
Mathias Poe
Matilda the Armadillo
Maxx Acorn
Mecha
Metal Scourge
Metal Sonic v3
Metal Sonic Troopers
Miles
Monk
Moritori Rex
Motobug
N:
Nack the Weasel
Nic the Weasel
O:
Octobot
Orbinaut
Overlord
P:
Patch
Predator Hawk
Pseudo-Sonic
R:
Renfield T. Rodent
Ripper
S:
SWATbots
Scourge the Hedgehog
Scratch
Sergeant Simian
Shade
Shadowbots
Shift E. Wolf
Silver Sonic
Sleuth Dawg
Smalls the Cat
Snively Kintobor
Speedy
Splats
Storm the Albatross
T:
Tex
U:
Uma Arachnis
W:
Wave the Swallow
X:
Xenin
Y:
Z:
Zan
Groups:
Eggman Empire
The Iron Dominion
Dark Egg Legion
Suppression Squad
The Destructix
Battle Bird Armada
Babylon Rogues
Team Hooligan
Badniks
Dingo Regime
The Yagyu Clan
The Raiju Clan
E-100 Series
E-105 Series
The Sand-Blasters
Black Arms
Xorda