MapleStory/Complete monster list

Bolded Monster names are Bosses.

Event

 * Golden Egg - Level 1
 * Peach - Level 1
 * Red Gourd - Level 1
 * Making a wish to full moon - Level 1
 * Turkey - Level 1
 * Book Monster - Level 4
 * Turkey - Level 6
 * Halloween Slime - Level 6
 * Christmas Slime - Level 6
 * Candle Monster - Level 10
 * Yellow Eggy Popp - Level 11
 * Red Boogie - Level 15
 * Mad Turkey - Level 27
 * Cake Monster - Level 30
 * Cake Mob - Level 30
 * Blue Boogie - Level 30
 * Green Eggy Popp - Level 35
 * Christmas King Slime - Level 40
 * Silver Slime - Level 40
 * Green Boogie - Level 45
 * Slot Machine - Level 50
 * Christmas Buffy - Level 61
 * Black Boogie - Level 65
 * Blue Yeti - Level 65
 * Pink Yeti - Level 65
 * Gold Yeti - Level 65

Quests

 * Super Flaming Raccoon - Level 200
 * Super Crow - Level 200
 * Super Jr. Necki - Level 200
 * King Block Golem from Another Dimension - Level 200
 * Super Green Trickster - Level 200
 * Super Ribbon-Pig - Level 200
 * Super Slime - Level 200
 * Super Stirge - Level 200
 * Super Trickster - Level 200
 * Ultra Jr. Necki 1 - Level 200
 * Ultra Jr. Necki 2 - Level 200

Premium Road

 * Slime (PC) - Level 6
 * Dark Stump (PC) - Level 10
 * Green Mushroom (PC) - Level 15
 * Blue Mushroom (PC) - Level 20
 * Jr. Necki (PC) - Level 21
 * Horny Mushroom (PC) - Level 22
 * Zombie Mushroom (PC) - Level 24
 * Wild Boar (PC) - Level 25
 * Evil Eye (PC) - Level 27
 * Fire Boar (PC) - Level 32
 * Ligator (PC) - Level 32
 * Curse Eye (PC) - Level 35
 * Lupin (PC) - Level 37
 * Cold Eye (PC) - Level 40
 * Zombie Lupin (PC) - Level 40
 * Drake (PC) - Level 50
 * Stone Golem (PC) - Level 55
 * Wild Kargo (PC) - Level 62
 * Ghost Pirate (PC) - Level 83
 * Dual Ghost Pirate (PC) - Level 87
 * Bain (PC) - Level 90
 * Gigantic Spirit Vikings (PC) - Level 98

Level 1-10

 * Golden Slime - Level 1
 * Gourd - Level 1
 * Snail - Level 1
 * Soul of HornTail - Level 1
 * Turkey - Level 1
 * Tutorial Jr. Sentinel - Level 1
 * Tutorial Leatty - Level 1
 * Tutorial Drum Bunny - Level 1
 * Blue Snail - Level 2
 * Shroom - Level 2
 * Red Snail - Level 4
 * Stump - Level 4
 * Slime - Level 6
 * Pig - Level 7
 * Frog - Level 8
 * Orange Mushroom - Level 8
 * Candle Monster - Level 10
 * Coke Snail - Level 10
 * Dark Stump - Level 10
 * Ribbon Pig - Level 10

Level 11 - 20

 * Goblin Fire - Level 11
 * Octopus - Level 12
 * Green Mushroom - Level 15
 * Bubbling - Level 15
 * Red Boogie - Level 15
 * Coke Slime - Level 15
 * White Chicken - Level 15
 * Axe Stump - Level 17
 * Ghost Stump - Level 19
 * Stirge - Level 20
 * Blue Mushroom - Level 20
 * Coke Mushroom - Level 20
 * Rooster - Level 20
 * Sand Rabbit F - Level 20

Level 21 - 30

 * Jr. Necki - Level 21
 * Sand Rabbit M - Level 21
 * Jr. Katus - Level 22
 * Horny Mushroom - Level 22
 * Dark Axe Stump - Level 22
 * Duck - Level 22
 * Pinboom - Level 22
 * Devil Slime - Level 23
 * Bellimore - Level 23
 * Wooden Mask - Level 23
 * Jr. Sentinel - Level 23
 * Trixter - Level 23
 * Seacle - Level 23
 * Stray Dog - Level 23
 * Earmuff Frilld - Level 24
 * Zombie Mushroom - Level 24
 * Krappi - Level 24
 * Rocky Mask - Level 24
 * Wild Boar - Level 25
 * Katus - Level 25
 * Crow - Level 25
 * Cico - Level 25
 * Stylish Stray Dog - Level 25
 * Sheep - Level 25
 * Coketump - Level 25
 * Yellow Lizard - Level 25
 * Lower Ninja - Level 25
 * Scarf Frilld - Level 27
 * Evil Eye - Level 27
 * Royal Katus - Level 28
 * Green Trixter - Level 28
 * Bubblefish - Level 28
 * Toad - Level 28
 * Flowerfish - Level 29
 * Meerkat - Level 29
 * Fierry - Level 30
 * Sentinel - Level 30
 * Ice Sentinel - Level 30
 * Fire Sentinel - Level 30
 * Brown Teddy - Level 30
 * Flaming Raccoon - Level 30
 * Cloud Fox - Level 30
 * Drum Bunny - Level 30
 * Kiyo - Level 30
 * Krip - Level 30
 * Cake Monster - Level 30
 * Coketump Lite - Level 30
 * Goat - Level 30
 * Foot Soldier - Level 30
 * Henesys Bunny - Level 30
 * Tylus - Level 30

Level 31 - 40

 * Chirppy - Level 31
 * Ratz - Level 32
 * Pink Teddy - Level 32
 * Fire Boar - Level 32
 * Ligator - Level 32
 * Leatty - Level 32
 * Mask Fish - Level 32
 * Sand Dwarf - Level 32
 * Dark Leatty - Level 33
 * Jr. Cellion - Level 33
 * Jr. Lioner - Level 33
 * Jr. Grupin - Level 33
 * Sakura Cellion - Level 33
 * Cow - Level 33
 * Dirty Ratz - Level 34
 * Roloduck - Level 34
 * Tick - Level 34
 * Jr. Boogie - Level 35
 * Bloctopus - Level 35
 * Star Pixie - Level 35
 * Jr. Pepe - Level 35
 * Curse Eye - Level 35
 * Jr. Wraith - Level 35
 * Coke Pig - Level 35
 * Black Goat - Level 35
 * Boogie - Level 35
 * Panda Teddy - Level 36
 * Helly - Level 36
 * Scuba Pepe - Level 36
 * Retz - Level 36
 * Jr. Pepe Doll - Level 36
 * Yeti Doll - Level 36
 * Black Sheep - Level 37
 * Propelly - Level 37
 * Chronos - Level 37
 * Lupin - Level 37
 * Lorang - Level 37
 * Plowing Ox - Level 38
 * Planey - Level 38
 * King Bloctopus - Level 38
 * Coke Seal - Level 38
 * Green Bubble Tea - Level 38
 * Red Bubble Tea - Level 38
 * Yellow Bubble Tea - Level 38
 * Jr. Seal - Level 38
 * Tweeter - Level 39
 * Toy Trojan - Level 39
 * Barnard Gray - Level 40
 * Tick-Tock - Level 40
 * Cold Eye - Level 40
 * Zombie Lupin - Level 40
 * King Slime - Level 40
 * Poopa - Level 40
 * Poison Poopa - Level 40
 * Clown Monkey - Level 40
 * Paper Lantern Ghost - Level 40
 * Red Lizard - Level 40
 * Sand Giant - Level 40
 * Chipmunk - Level 40

Level 41 - 50

 * Flyeye - Level 41
 * Robo - Level 41
 * Platoon Chronos - Level 41
 * Mateon - Level 41
 * Red Porky - Level 41
 * Zeta Gray - Level 42
 * Nependeath - Level 42
 * Iron Hog - Level 42
 * Block Golem - Level 42
 * Freezer - Level 42
 * Angry Stray Dog - Level 42
 * Play Seal - Level 42
 * Sparker - Level 43
 * Jr. Cerebes - Level 43
 * Shadow Eye from Another Dimension - Level 43
 * Dark Eye from Another Dimension - Level 43
 * Black Porky - Level 43
 * Plateon - Level 44
 * Master Robo - Level 44
 * Skeledog - Level 44
 * Ultra Gray - Level 45
 * Lunar Pixie - Level 45
 * Copper Drake - Level 45
 * Nightfox - Level 45
 * Extra A - Level 45
 * King Block Golem - Level 45
 * Moon Bunny - Level 45
 * Iron Boar - Level 45
 * Igloo Turtle - Level 45
 * Blue Retro Necki - Level 45
 * Red Retro Necki - Level 45
 * Tortie - Level 46
 * Mecateon - Level 46
 * Master Chronos - Level 46
 * Dark Nependeath - Level 47
 * Extra B - Level 47
 * Rombot - Level 47
 * Rombad from Another Dimension - Level 47
 * Mummydog - Level 47
 * Biker Monkey - Level 47
 * Jar - Level 47
 * Clang - Level 48
 * Wraith - Level 48
 * Ginseng Jar - Level 48
 * Chief Gray - Level 49
 * Drake - Level 50
 * Thug C - Level 50
 * Jr. Yeti - Level 50
 * Hodori - Level 50
 * Coke Golem - Level 50
 * Jr. Pepe UFO Catcher - Level 50
 * Yeti UFO Catcher - Level 50
 * Straw Dummy For Training - Level 50
 * Middle Ninja - Level 50
 * Giant Centipede - Level 50

Level 51 - 60

 * Jr. Effy - Level 51
 * Wooden Dummy for Training - Level 51
 * Croco - Level 52
 * Luster Pixie - Level 52
 * Cellion - Level 53
 * Lioner - Level 53
 * Grupin - Level 53
 * Hogul - Level 53
 * Bellflower - Level 53
 * Mimic - Level 54
 * MT-09 - Level 54
 * Ancient Bellflower - Level 54
 * Hector - Level 55
 * Stone Golem - Level 55
 * Malady - Level 55
 * Red Slime - Level 55
 * The Book Ghost - Level 55
 * Dark Jr. Yeti - Level 56
 * Alishar - Level 56
 * Samiho - Level 56
 * Grizzly - Level 56
 * Coolie Zombie - Level 57
 * Minor Zombie - Level 57
 * Skeleton Soldier - Level 57
 * Dark Stone Golem - Level 58
 * White Pang - Level 58
 * Reindeer - Level 58
 * Mix Golem - Level 59
 * Pepe - Level 60
 * Red Drake - Level 60
 * Ghost - Level 60
 * Mushmom - Level 60
 * Blin - Level 60
 * Morphed Blin - Level 60
 * Ice Golem - Level 60
 * Water Goblin - Level 60
 * UFO Catcher - Level 60
 * Doll Vending Machine - Level 60
 * Python - Level 60
 * Panda - Level 60
 * Kunoichi - Level 60

Level 61 - 70

 * Buffy - Level 61
 * Wild Kargo - Level 62
 * Leader A - Level 62
 * Peach Monkey - Level 62
 * Jr. Gargoyle - Level 62
 * Puco - Level 63
 * Soul Teddy - Level 63
 * Muscle Stone - Level 63
 * Officer Skeleton - Level 63
 * Dark Pepe - Level 64
 * Ice Drake - Level 64
 * Leader B - Level 64
 * Mr. Alli - Level 64
 * Yeti - Level 65
 * Lich - Level 65
 * Zombie Mushmom - Level 65
 * Ghost Pixie - Level 65
 * Master Muscle Stone - Level 65
 * Pachu - Level 66
 * Lazy Buffy - Level 66
 * Sage Cat - Level 66
 * Punco - Level 67
 * Black Knight - Level 66
 * Mist Knight - Level 66
 * Master Soul Teddy - Level 67
 * Puppet Golem - Level 67
 * Dark Yeti - Level 68
 * Dark Drake - Level 68
 * Flying Boogie - Level 68
 * Gargoyle - Level 68
 * Kru - Level 68
 * Cuzco - Level 69
 * Opachu - Level 70
 * Klock - Level 70
 * Tauromacis - Level 70
 * Yellow King Goblin - Level 70
 * Blue King Goblin - Level 70
 * Green King Goblin - Level 70
 * Yeti & Coketump - Level 70
 * Rash - Level 70
 * Tamable Pig - Level 70
 * Captain - Level 70

Level 71 - 80

 * High Darkstar - Level 71
 * Cerebes - Level 72
 * Thug D - Level 72
 * Beetle - Level 72
 * Hobi - Level 72
 * Lucida - Level 73
 * Commander Skeleton - Level 73
 * Buffoon - Level 74
 * Dark Rash - Level 74
 * Papa Pixie - Level 74
 * Asian Swordsman - Level 74
 * Taurospear - Level 75
 * Werewolf - Level 75
 * Blood Boom - Level 75
 * Dark Klock - Level 76
 * Dual Beetle - Level 76
 * Green Hobi - Level 76
 * Lord Pirate - Level 76
 * Thornbush - Level 76
 * Deep Buffoon - Level 77
 * Yeti and Pepe - Level 78
 * Hankie - Level 80
 * Lycanthrope - Level 80
 * Dances with Balrog's Clone - Level 80
 * Grendel The Really Old's Clone - Level 80
 * Athena Pierce's Clone - Level 80
 * Dark Lord's Clone - Level 80
 * Jr. Balrog - Level 80
 * Low Darkstar - Level 80
 * Haf - Level 80
 * Upper Ninja - Level 80

Level 81 - 90

 * Dark Yeti and Pepe - Level 82
 * Ghost Pirate - Level 83
 * Blood Haf - Level 83
 * Death Teddy - Level 85
 * Goby - Level 85
 * Birk - Level 85
 * Snack Bar - Level 85
 * Hawkman - Level 85
 * Dual Ghost Pirate - Level 87
 * Dual Birk - Level 88
 * Kentaurus - Level 88
 * Kentaurus - Level 88
 * Kentaurus - Level 88
 * Master Death Teddy - Level 89
 * Bain - Level 90
 * Exploding Goby House - Level 90
 * Blue Mushmom - Level 90
 * Blue Dragon Turtle - Level 90

Level 91 - 100

 * Bone Fish - Level 92
 * Spirit Viking - Level 93
 * Red Dragon Turtle - Level 93
 * Black Squid - Level 94
 * Male Boss - Level 95
 * Swordsman - Level 95
 * Phantom Watch - Level 95
 * Rexton - Level 95
 * Lethal Squid - Level 97
 * Brexton - Level 97
 * Red Wyvern - Level 97
 * Gigantic Spirit Viking - Level 98
 * Grim Phantom Watch - Level 99
 * Lion Statue A - Level 99
 * Lion Statue B - Level 99
 * Crimson Balrog - Level 100
 * Knight Statue A - Level 100
 * Knight Statue B - Level 100
 * Time Sphere - Level 100
 * Shark - Level 100
 * Dreamy Ghost - Level 100
 * Head Ninja - Level 100
 * Green Cornian - Level 100

Level 101 - 110

 * Blue Wyvern - Level 101
 * Cold Shark - Level 102
 * Dark Wyvern - Level 103
 * Manon - Level 105
 * Griffey - Level 105
 * Dark Cornian - Level 105
 * Jr. Newtie - Level 105
 * Transforming Jr. Newtie - Level 105
 * Thanatos - Level 108
 * Gatekeeper - Level 108
 * Pianus (Left Side) - Level 110
 * Pianus (Right Side) - Level 110
 * Statue - Level 110
 * Nest Golem - Level 110
 * Skelegon - Level 110

Level 111 - 199

 * Skelosaurus - Level 113
 * Black Crow - Level 115
 * Ergoth - Level 115
 * Phoenix - Level 120
 * Freezer - Level 120
 * Armored Warrior - Level 120
 * Papulatus Clock - Level 125
 * Papulatus - Level 125
 * Female Boss - Level 130
 * Mini Toad - Level 130
 * Zakum's Arm 1 - Level 140
 * Zakum's Arm 2 - Level 140
 * Zakum's Arm 3 - Level 140
 * Zakum's Arm 4 - Level 140
 * Zakum's Arm 5 - Level 140
 * Zakum's Arm 6 - Level 140
 * Zakum's Arm 7 - Level 140
 * Zakum's Arm 8 - Level 140
 * Zakum 1 - Level 140
 * Zakum 2 - Level 140
 * Zakum 3 - Level 140
 * Head A of Dying HornTail - Level 140
 * Head B of Dying HornTail - Level 140
 * Head C of Dying HornTail - Level 140
 * Left Hand of Dying HornTail - Level 140
 * Right Hand of Dying HornTail - Level 140
 * Wings of Dying HornTail - Level 140
 * Leg of Dying HornTail - Level 140
 * Tail of Dying HornTail - Level 140
 * Bodyguard A - Level 152
 * Bodyguard B - Level 155
 * Left Huge Head of HornTail - Level 160
 * Right Huge Head of HornTail - Level 160
 * Head A of HornTail - Level 160
 * Head B of HornTail - Level 160
 * Head C of HornTail - Level 160
 * Left Hand of HornTail - Level 160
 * Right Hand of HornTail - Level 160
 * Wings of HornTail - Level 160
 * Leg of HornTail - Level 160
 * Tail of HornTail - Level 160
 * The Boss - Level 175
 * Feudal Lord - Level 180
 * Big Toad - Level 180
 * Big Ball - Level 200
 * Dark Muscle Stone - Level 200