List of Characters in Ben 10

Tennyson Family

 * Benjamin Kirby Tennyson
 * Gwendolyn Catherine Tennyson
 * Carl Tennyson
 * Sunny Tennyson
 * Joel Tennyson
 * Kenneth Tennyson
 * Max Tennyson
 * Sandra Tennyson
 * Verdona Tennyson
 * Frank Tennyson
 * Lilly Tennyson
 * Vera Tennyson
 * Gordon Tennyson
 * Betty Jean Tennyson

Levin Family

 * Kevin Ethan Levin
 * Devlin Levin
 * Devin Levin
 * Mrs. Levin

Aliens

 * 1) Heatblast
 * 2) Wildmutt
 * 3) Diamondhead
 * 4) XLR8
 * 5) Grey Matter
 * 6) Fourarms
 * 7) Stinkfly
 * 8) Ripjaws
 * 9) Upgrade
 * 10) Ghostfreak
 * 11) Cannonbolt
 * 12) Wildvine
 * 13) Benwolf
 * 14) Benmummy
 * 15) Benvicktor
 * 16) Upch uck
 * 17) Ditto
 * 18) Eye Guy
 * 19) Way Big
 * 20) Spitter
 * 21) Buzzshock
 * 22) Articguana
 * 23) Swampfire
 * 24) Echo Echo
 * 25) Humungousaur
 * 26) Jetray
 * 27) Big Chill
 * 28) Chromastone
 * 29) Brainstorm
 * 30) Spidermonkey
 * 31) Goop
 * 32) Alien X
 * 33) Lodestar
 * 34) Rath
 * 35) Nanomech
 * 36) Water Hazard
 * 37) Te rras pin
 * NRG
 * 1) Armodrillo
 * 2) AmpFibian
 * 3) Fasttrack
 * 4) Clockwork
 * 5) ChamAlien
 * 6) Shocksquatch
 * 7) Eatle
 * 8) Jury Rigg
 * 9) Blox
 * 10) Feedback
 * 11) Gravattack
 * 12) Glasshopper (?)
 * 13) Chickenhawk (?)
 * 14) Super FourArms (?)

​Villans

 * 1 Main Antagonists
 * 1.1 Vilgax
 * 1.2 Doctor Animo
 * 1.3 Hex
 * 1.4 Forever Knights
 * 1.4.1 Forever King Driscoll
 * 1.4.1.1 Enoch
 * 1.4.2 Forever King Patrick
 * 1.4.3 Forever King Urian
 * 1.5 Vulkanus
 * 1.6 Charmcaster
 * 1.7 Zs'Skayr
 * 1.8 Eon
 * 1.9 The Highbreed
 * 1.10 Darkstar
 * 1.11 Albedo
 * 1.12 The Queen
 * 1.13 Aggregor
 * 1.14 Diagon
 * 1.15 Khyber
 * 2 Minions and Others
 * 2.1 Sixsix
 * 2.2 Kraab
 * 2.3 Rojo
 * 2.4 Zombozo
 * 2.5 Circus Freaks Trio
 * 2.5.1 Acid Breath
 * 2.5.2 Frightwig
 * 2.5.3 Thumbskull
 * 2.6 Monster Trio
 * 2.6.1 Yenaldooshi
 * 2.6.2 The Mummy
 * 2.6.3 Dr. Viktor
 * 2.7 DNAliens
 * 2.8 Argit
 * 2.9 Techadon Robots
 * 2.10 Incursion
 * 2.10.1 Milleous
 * 2.11 Sevenseven
 * 2.12 Psyphon
 * 2.13 Ssserpent
 * 2.14 Vreedle Brothers
 * 2.14.1 Octagon
 * 2.14.2 Rhomboid
 * 2.15 Sunder
 * 2.16 Will Harangue
 * 2.17 Overlord
 * 2.18 Diagon's followers
 * 2.18.1 Lucubras
 * 2.18.2 Flame Keepers' Circle
 * 2.18.2.1 Conduit Edwards