A

• [+] Adventure Gamebook characters
• [+] Adventures of Sonic the Hedgehog characters (1)
• [+] Aliens (4)
• [+] Alternate Doppelgängers (2)
• [+] Animal friends
• [+] Anthropomorphic animals (19)
• [+] Antiheroes
• [+] Archie Comics characters (4)

B

• [+] Bosses (31)
• [+] Bounty Hunters

C

• [+] Chao (1)
• [+] Characters by Gender (2)
• [+] Characters by Group (11)
• [+] Characters who can fly (1)

E

• [+] Enemies (27)

G

• [+] Game Characters (2)

H

• [+] Heroes
• [+] Humans
• [+] Hybrids

I

• [+] Immortals
• [+] Inventors

K

• [+] Kings
• [+] Knights

M

• [+] Mobians
• [+] Monsters
• [+] Musical characters
• [+] Mystical beings (5)

N

• [+] Non-canon characters (3)

O

• [+] Overlanders

P

• [+] Pirates
• [+] Playable characters (2)

Q

• [+] Queens

R

• [+] Robots (6)

S

• [+] SatAM characters (1)
• [+] Sonic Underground characters
• [+] Sonic X characters
• [+] Sonic the Comic characters
• [+] Sonic the Hedgehog (manga) Characters
• [+] Sonic the Hedgehog: The Movie characters

T

• [+] Transformations

V

• [+] Villains