Combatants' Home Series

Most of the Death Battle combatants are taken from their own home series to be pitted against other combatants (The only exceptions however who are not listed are Justin Bieber and Rebecca Black, because they are real life people), They are listed by the following series in Death Battle episode order.

Note: Bold characters are victors, Italic characters means they've fought more than once, characters with '*' symbols next to their name have won more than once and characters two '*' symbols means they have undecided fates (their battle has not been released yet).

Combatants by Series
Star Wars: Boba Fett, Luke Skywalker

Metroid: Samus Aran

Street Fighter/Final Fight: Akuma, Mike Haggar, Zangief, Chun-Li, Blanka, M. Bison, Ryu

Mortal Kombat: Shang Tsung, Raiden, Shao Kahn, Sektor, Scorpion

Marvel Comics: Rogue, Thor, Spiderman, Captain America, Deadpool, Iron Man**, Galactus**

DC Comics: Wonder Woman, Batman, Superman, Deathstroke, Lex Luthor**

Super Mario: Goomba, Koopa Troopa, Yoshi, Mario, Princess Peach, Luigi

Teenage Mutant Ninja Turtles:Leonardo*, Donatello, Michelangelo, Raphael

BattleToads: Zitz

Killer Instinct: Riptor, Black Orchid, Fulgore

Darkstalkers: Felicia

BlazBlue: Taokaka, Ragna the Bloodedge

God of War: Kratos

Spawn: Spawn

Bomberman: Bomberman

Dig Dug: Dig Dug

Dragon Ball Z: Vegeta, Goku, Majin Buu

Sonic the Hedgehog: Shadow the Hedgehog, Sonic the Hedgehog, Dr. Eggman, Metal Sonic, Tails the Fox

Harry Potter: Harry Potter

King of Fighters: Mai Shiranui

Transformers: Starscream, Unicron**

My Little Pony: Rainbow Dash

Halo: Master Chief

Doom: Doomguy

Megaman: Dr. Wily

The Legend of Zelda: Princess Zelda, Link

Final Fantasy: Cloud Strife

Pokemon: Pikachu, Venusaur, Blastoise, Charizard

He-Man and the Masters of the Universe: He-Man

ThunderCats: Lion-O

Ninja Gaiden/Dead or Alive: Ryu Hayabusa

Strider: Strider Hiryu

Soulcaliber: Ivy Valentine, Nightmare

StarFox: Fox McCloud

Bucky O' Hare and the Toad Wars: Bucky O' Hare

Terminator: Terminator

RoboCop: RoboCop

Godzilla: Godzilla

Gamera: Gamera

Gundam: Gundam Epyon

Mighty Morphin' Power Rangers: Tigerzord

Kirby: Kirby

Guilty Gear: Sol Badguy

Naruto: Gaara

Avatar: The Last Airbender/Legend of Korra: Toph Beifong

Berserk: Guts

Trivia

 * When it comes to the series with the most number of Death Battle champions, it is currently known to be Marvel Comics with Rogue, Thor, Spider-Man, and Deadpool.
 * Street Fighter and Sonic the Hedgehog hold the record in a 2 way tie for the second most Death Battle Champions from a series with 3 each (Akuma, Zangief, and Blanka for Street Fighter; Sonic the Hedgehog, Metal Sonic, and Miles 'Tails' Prower for Sonic the Hedgehog.
 * When it comes to the series with the most number of Death Battle losers, that goes to a two way tie between 'Street Fighter' and 'Super Mario' series with 4 dead combatants each (Mike Haggar, Chun-Li, M. Bison, and Ryu Hoshi for Street Fighter; Goomba, Koopa Troopa, and the Mario Bros. for Super Mario).
 * Mortal Kombat, DC Comics, Teenage Mutant Ninja Turtles, and Pokemon are in a 4 way tie for the second most number of Death Battle losers from the series with 3 losers each (Shang Tsung, Raiden, and Sektor for Mortal Kombat; Wonder Woman, Batman (from his fight against Spider-Man), and Deathstroke for DC Comics; Donatello, Michelangelo, and Raphael for Teenage Mutant Ninja Turtles; and Pikachu, Venusaur, and Charizard for Pokemon).
 * When it comes to the series with the highest number of combatants (winners and losers combined), that goes to the Street Fighter series with Akuma, Mike Haggar, Zangief, Chun-Li, Blanka, M. Bison, & Ryu.
 * The Marvel comics series and the Super Mario series each hold the record in a two way tie for second highest number of combatants in the series with six combatants each. Rogue, Thor, Spider-Man, Captain America, Deadpool, and Galactus for Marvel comics; Goomba, Koopa Troopa, Yoshi, Mario, Princess Peach, and Luigi for the Super Mario series.
 * Marvel was undefeated until Batman vs. Captain America, yet Marvel starts again with Deadpool VS Deathstroke.
 * The Mario series has played host to the most battles (Goomba VS Koopa, Yoshi VS Riptor, Mario VS Sonic, Zelda VS Peach, Luigi VS Tails).