Monsters featured in Mighty Morphin Power Rangers (season 1)

• Babe Ruthless [32]
  #32 - A Star is Born
• Baboo [1–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Bones [2]
  #2 - High Five
• Cardiatron [36]
  #36 - Birds of a Feather
• Chunky Chicken [7]
  #7 - Big Sisters
• Commander Crayfish [59]
  #59 - Mighty Morphin’ Mutants
• Cyclops [34–35]
  #34 - The Green Candle Part I, #35 - The Green Candle Part II
• Cyclopsis [39–40]
  #39 - Doomsday Part I, #40 - Doomsday Part II
• Dark Warrior [15]
  #15 - Dark Warrior
• Dramole [49–50]
  #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II
• Eye Guy [8, 28]
  #8 - I, Eye Guy, #28 - Island of Illusion Part I
• Fang [33]
  #33 - The Yolk’s on You!
• Fighting Flea [45]
  #45 - To Flea or Not to Flee
• Finster [1–15, 17–18, 20–28, 31–36, 38–40, 45–53, 55–57, 59–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Frankenstein [25–26]
  #25 - Life’s a Masquerade, #26 - Gung Ho!
• Genie [16]
  #16 - Switching Places
• Giant [2]
  #2 - High Five
• Gnarly Gnome [5]
  #5 - Different Drum
• Goatan [44]
  #44 - Lions & Blizzards
• Goldar [1–4, 7–11, 14–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Goo Fish [42]
  #42 - Something Fishy
• Grumble Bee [51]
  #51 - Grumble Bee
• Hatchasaurus [36]
  #36 - Birds of a Feather
• Jellyfish [46]
  #46 - Reign of the Jellyfish
• King Sphinx [4, 29]
  #4 - A Pressing Engagement, #29 - Island of Illusion Part II
• Knasty Knight [10, 29, 47]
  #10 - Happy Birthday, Zack, #29 - Island of Illusion Part II, #47 - Crystal of Nightmares
• Lizzinator [57]
  #57 - Enter... the Lizzinator
• Lokar [28–29, 39–40]
  #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #39 - Doomsday Part I, #40 - Doomsday Part II
• Madame Woe [13]
  #13 - Peace, Love and Woe
• Mantis [48]
  #48 - Plague of the Mantis
• Minotaur [3]
  #3 - Teamwork
• Mr. Ticklesneezer [9]
  #9 - For Whom the Bell Trolls
• Mutitus [28–29]
  #28 - Island of Illusion Part I, #29 - Island of Illusion Part II
• Octoplant [43]
  #43 - Rita’s Seed of Evil
• Oysterizer [60]
  #60 - An Oyster Stew
• Peckster [53]
  #53 - Fowl Play
• Pineoctopus [11, 28]
  #11 - No Clowning Around, #28 - Island of Illusion Part I
• Polluticorn [37]
  #37 - Clean-Up Club
• Pudgy Pig [6, 28, 41]
  #6 - Food Fight, #28 - Island of Illusion Part I, #41 - A Pig Surprise
• Pumpkin Rapper [54]
  #54 - Trick or Treat
• Putty Patrollers [1–5, 7–9, 11–20, 22–34, 37–38, 41–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Rhinoblaster [58]
  #58 - Football Season
• Rita Repulsa [1–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Rockstar [30]
  #30 - The Rockstar
• Samurai Fan Man [31, 47]
  #31 - Calamity Kimberly, #47 - Crystal of Nightmares
• Scorpina [19–21, 27–30, 32, 36–40, 43–47, 49–50, 54]
  #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #32 - A Star is Born, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #54 - Trick or Treat
• Shellshock [22, 28, 41]
  #22 - The Trouble with Shellshock, #28 - Island of Illusion Part I, #41 - A Pig Surprise
• “Skeleton Warriors” [2]
  #2 - High Five
• Slippery Shark [56]
  #56 - On Fins and Needles
• Snizzard [14, 28–29]
  #14 - Foul Play in the Sky, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II
• Soccadillo [55]
  #55 - Second Chance
• Spidertron [23]
  #23 - Itsy Bitsy Spider
• Spit Flower [24]
  #24 - The Spit Flower
• Squatt [1–60]
  #1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
• Super Putties [26, 43, 46]
  #26 - Gung Ho!, #43 - Rita’s Seed of Evil, #46 - Reign of the Jellyfish
• Terror Toad [12, 29, 47]
  #12 - Power Ranger Punks, #29 - Island of Illusion Part II, #47 - Crystal of Nightmares
• Twin Man [38]
  #38 - A Bad Reflection on You
• Two-Headed Parrot [52]
  #52 - Two Heads Are Better than One
• Weaveworm [32]
  #32 - A Star is Born

Total: 59 monsters