The following is a list of 21st century characters who appear in Kinnikuman Nisei and Kinnikuman Nisei ~All Choujin Dai Shingeki~. For the 20th century characters from the original Kinnikuman, see List of Kinnikuman Characters.
- For minor characters, please see: List of Minor Kinnikuman Nisei Characters
A[]
- Absorption Snake
- The Adams
- The Alphabet
- Anaconda
- Anubi Claire
- Apolloman
- Arenanda
- Avenir, Chaos
- Avenir, Hora
- Avenir, Minutes
B[]
- Baron Maximillion
- Barbarian
- Barrierfreeman
- Bath the Shower
- Blassie
- Bombe Jr., Dr.
- Bone Cold
- Bone Killer
- Boo, Shamikeba
- Boo, Shishkeba
- Bullman, John
- Butanikuman
C[]
- Canadian Boy
- Captain Macko
- Chaos Avenir
- Check Mate
- Chijimiman
- Chloe
- Clioneman
- The Coasterman
- The Constellation
- The Cyborg
D[]
- Dazzle
- Dead Signal
- Deiku Toryo
- Destruction
- Doctor Bombe, Jr.
- The Doomman
- Dorothy
E[]
F[]
G[]
- The Gaon
- Gazelleman
- General Terror
- Gepparland
- Giant Haba
- Giara
- Gorgeousman
- Gori Max
- Grande, Robin
- Guillotine King
- Gyunikuman
H[]
I[]
J[]
K[]
- Kinniku Ataru
- Kinniku Mantaro
- Kinniku Mayumi
- Kinniku Suguru
- Kinnikuman Great III
- Kinnikuman Soldier
- Kirinman
- Knight, Robin
- Knock
- Kokumo
- Kuan
- Kuroe
L[]
M[]
- Maekawa Tamaki
- Mars
- Master Shuffle
- The Matenro
- Maximilian
- MAXman
- Meltdown
- Meteoman
- Michael
- Mince
- Muscle, Harabote
- Muscle, Ikemen
- Muscle, Jacqueline
N[]
O[]
P[]
R[]
- Reborn Ashuraman
- Rex King
- Ricardo
- The Rigany
- Rina
- Robert
- Robin Grande
- Robin Knight
- Robin Mask
- Roseman
S[]
- Sasaki Yoneo
- Savannah
- Scarface
- Seiuchin
- Shikoutei
- Shimao
- Shiva
- Shumokun
- Sister
- Sneagator Jr.
- Specialman Jr
- Suzie
T[]
- The Tattooman
- Teddy the Giant
- Tel-Tel Boy
- Tentacles
- Terry the Kid
- Thomas
- Thunder
- Trap the Jack
- Tteok