Monsters (Mighty Morphin Power Rangers → Power Rangers in Space)

Disney's The Chipmunks and Chipettes

 * Commander Crayfish (ザリガニモンスター, Zariganimonsutā, "Crayfishmonster") (Leader)
 * Mutant Rangers (偽ジュウレンジャー, Nise Jūrenjā, "Fake Zyuranger")
 * Mutant Red Ranger
 * Mutant Green Ranger
 * Mutant Black Ranger
 * Mutant Blue Ranger
 * Mutant Yellow Ranger
 * Mutant Pink Ranger
 * Giant
 * Bones (ドーラスケルトン, Dōra Sukeruton, "Dora Skeleton")
 * Skeleton Warriors
 * Mighty Minotaur
 * King Sphinx/Fly Guy
 * Gnarly Gnome (ドーラゴブリン, Dōra Goburin, "Dora Goblin")
 * Pudgy Pig
 * Chunky Chicken
 * Eye Guy
 * Knasty Knight
 * Pineoctopus
 * Terror Toad
 * Dark Warrior
 * Spidertron (ドーラタランチュラ, Dōra Taranchura, "Dora Tarantula")
 * Spit Flower
 * Frankenstein (ドーラフランケ, Dōra Furanke, "Dora Franke") → Mutitus (ゾンビフランケ, Zonbi Furanke, "Zombie Franke"/サタンフランケ, Satan Furanke, "Satan Franke")
 * Samurai Fan Man
 * Rockstar
 * Polluticorn
 * Octoplant
 * Goo Fish
 * Fighting Flea
 * Jellyfish Warrior
 * Mantis
 * Dramole
 * Grumble Bee (ビーモンスター, Bī Monsutā, "Bee Monster")
 * Two-Headed Parrot
 * Pumpkin Rapper (パンプキンラッパー, Panpukin Rappā)
 * Pumpkin-headed (Z-)Putty Patrollers
 * Slippery Shark
 * Soccadillo
 * Rhinoblaster (ライノブラスター, Raino Burasutā, "Rhino Blaster")
 * (Z-)Putty Patrollers in Football Jerseys
 * Oysterizer (オイスターモンスター, Oisutāmonsutā, "Oystermonster")
 * Pirantishead
 * Primator (プリゴリラ, Purigorira, "Pre-Gorilla")
 * Saliguana (ガラマンダー, Garamandā, "Galamander")
 * Bloom of Doom (フラワーバスター, Furawābasutā, "Flowerbaster")
 * Robogoat
 * Guitardo
 * TurbanShell
 * Pipebrain
 * Trumpet Top
 * Mirror Maniac
 * Three Ladies (Sankanjo)
 * Nimrod the Scarlet Sentinel (指輪官女, Yubiwa Kanjo, "Lady Ring")
 * AC (イヤリング官女, Iyaringu Kanjo, "Lady Earring")
 * DC (ネックレス官女, Nekkuresu Kanjo, "Lady Necklace")
 * Pursehead (ガマグチ法師, Gamaguchi Hōshi, "Purse Priest")
 * Lipsyncher (口紅歌姫, Kuchibeni Utahime, "Lipstick Songstress")
 * Magnet Brain
 * Key Monster
 * Terror Blossom
 * Cannontop
 * Pachinko Head
 * Showbiz Monster (メディア魔術師, Media Majutsushi, "Media Magician")
 * Scatterbrain
 * Flame Head
 * Jaws of Destruction (ノコギリ大僧正, Nokogiri Daizōjō, "Archbishop Saw")
 * Photomare
 * Wizard of Deception (ドーラファントム, Dōra Fantomu, "Dora Phantom")
 * Rat Monsters (ラットモンスター, "Ratto Monsutā")
 * Snow Monster (ドーライエティ, Dōra Yeti, "Dora Yeti")
 * Turkey Jerk (ドーラシチメンチョウ, Dōra Shichimenchyō, "Dora Turkey")
 * Vase Face (ハニワ腹話術師, Haniwa Fukuwajutsushi, "Defense Teacher Haniwa Ventriloquist")
 * Needlenose (ドーラサボテン, Dōra Saboten, "Dora Cactus")
 * Repellator
 * Artistmole
 * Ravenator
 * Brick Bully
 * Dischordia
 * Witchblade
 * Impursonator
 * Traffic Sign Monster
 * Wolfbane
 * Cog Changer
 * Amphibitor
 * Shadow Chromite
 * The Demon Racers
 * Electrovolt
 * Mad Mike the Pizza Chef
 * Clockster
 * Lord Litter
 * Goldgoyle
 * Electrotramp
 * Clawhammer
 * Power Driller
 * Fearog
 * Horror Bull
 * Lizwizard
 * Datascammer

Season 1

 * Commander Crayfish
 * Mutant Rangers
 * Mutant Godzilla
 * Mutant Mammoth
 * Mutant Tricera
 * Mutant Saber
 * Mutant Ptera
 * Giant
 * Bones
 * Skeleton Warriors
 * Mighty Minotaur
 * King Sphinx/Fly Guy
 * Gnarly Gnome
 * Pudgy Pig
 * Chunky Chicken
 * Eye Guy
 * Knasty Knight
 * Pineoctopus
 * Terror Toad
 * Dark Warrior
 * Spidertron
 * Spit Flower
 * Frankenstein Monster → Mutitus
 * Samurai Fan Man
 * Rockstar
 * Polluticorn
 * Octoplant
 * Goo Fish
 * Fighting Flea
 * Jellyfish Warrior
 * Mantis
 * Dramole
 * Grumble Bee
 * Two-Headed Parrot
 * Pumpkin Rapper
 * Pumpkin-headed (Z-)Putty Patrollers
 * Slippery Shark
 * Soccadillo
 * Rhinoblaster
 * (Z-)Putty Patrollers in Football Jerseys
 * Oysterizer

Season 2

 * Pirantishead
 * Primator
 * Saliguana
 * Bloom of Doom
 * Robogoat
 * Guitardo
 * TurbanShell
 * Pipebrain
 * Trumpet Top
 * Mirror Maniac
 * Nimrod the Scarlet Sentinel, AC & DC
 * Pursehead
 * Lipsyncher
 * Magnet Brain
 * Key Monster
 * Terror Blossom
 * Cannontop
 * Pachinko Head
 * Showbiz Monster
 * Scatterbrain
 * Tube Monster
 * Flame Head
 * Jaws of Destruction
 * Photomare
 * Wizard of Deception
 * Rat Monsters
 * Snow Monster
 * Turkey Jerk
 * Vase Face
 * Needlenose

Season 3

 * Repellator
 * Artistmole
 * Ravenator
 * Brick Bully
 * Dischordia
 * Witchblade
 * Impursonator

Bara Monsters

 * Traffic Sign Monster
 * Wolfbane
 * Cog Changer

Destructi Monsters

 * Amphibitor
 * Shadow Chromite
 * The Demon Racers
 * Electrovolt
 * Mad Mike the Pizza Chef
 * Clockster
 * Lord Litter
 * Goldgoyle

Nejire Monsters

 * Electrotramp
 * Clawhammer
 * Power Driller
 * Fearog
 * Horror Bull
 * Lizwizard
 * Datascammer