This is a nearly complete alphabetized listing of the monsters in the Kingdom. Each of the critters' names links to the spoilertastic description of an encounter with them. These are the monsters alphabetically from F to M.
Habitat: The Dark Heart of the Woods and The Deep Fat Friars' Gate
Habitat: The Hole in the Sky
Habitat: The Sorceress' Tower (The Stairs)
Habitat: Mediocre Trip
Habitat: The Spooky Gravy Barrow: On the Verge of a Dirge
Habitat: The Haiku Dungeon
Habitat: The Haunted Pantry Item Drops: asparagus knife, razor-sharp can lid, stalk of asparagus
Habitat: Market Square, 28 Days Later
Habitat: The Pond, McMillicancuddy's Farm (Post-War)
Habitat: The Guards' Chamber Item Drops: None
Habitat: The Feeding Chamber Item Drops: None
Habitat: The Hippy Camp Item Drops: decorative fountain, filthy corduroys, filthy knitted dread sack, patchouli incense stick, reodorant, tambourine bells Bounty: greasy dreadlock
Habitat: The Hippy Camp Item Drops: beach glass bead, clay peace-sign bead, filthy corduroys, filthy knitted dread sack, hemp string, phat turquoise bead, reodorant Bounty: greasy dreadlock
Habitat: The Hippy Camp Item Drops: filthy corduroys, filthy knitted dread sack, patchouli incense stick, reodorant, tambourine bells, wad of tofu Bounty: greasy dreadlock
Habitat: The Back 40, McMillicancuddy's Farm (Post-War)
Habitat: The Haunted Pantry
Habitat: The Valley Beyond The Orc Chasm
Habitat: Simple Tool-Making Cave Item Drops: rock, stick, stick
Habitat: The Haunted Ballroom
Habitat: The Palindome
Habitat: The Dire Warren Item Drops: None
Habitat: Outskirts of Camp Logging Camp
Habitat: Orcish Frat House (Verge of War) (in Filthy Hippy Disguise or War Hippy Fatigues)
Habitat: after casting CLEESH in combat
Habitat: Exposure Esplanade: Bumpity Bump Bump
Habitat: Menagerie Level 1
Habitat: The Briny Deeps
Habitat: The Castle in the Clouds in the Sky
Habitat: The Dark Elbow of the Woods, The Dark Heart of the Woods and The Deep Fat Friars' Gate
Habitat: Hobopolis Town Square
Habitat: The Briniest Deepests
Habitat: The Defiled Niche: Lich in the Niche
Habitat: Great Trip
Habitat: Belowdecks
Habitat: The Defiled Cranny, The Misspelled Cemetary (Post-Cyrpt)
Habitat: The Barn
Habitat: The Haunted Ballroom: Curtains
Habitat: The Knob Shaft
Habitat: Fernswarthy's Basement
Habitat: The Spectral Pickle Factory
Habitat: The Misspelled Cemetary (Pre-Cyrpt)
Habitat: The Arid, Extra-Dry Desert (Ultrahydrated)
Habitat: The Daily Dungeon
Habitat: Fernswarthy's Tower (Retired)
Habitat: using a drum machine without worm-riding hooks equipped
Habitat: The Defiled Nook: Pileup
Habitat: A Maze of Sewer Tunnels
Habitat: The Spooky Fright Factory Item Drops: evil googly eye, spooky felt, spooky length of string, spooky stuffing, spooky toy wheel, spooky wooden block
Habitat: The Battlefield (Frat Warrior Fatigues) Item Drops: bullet-proof corduroys, Lockenstock™ sandals, orange peel hat, round purple sunglasses
Habitat: Thugnderdome
Habitat: Degrassi Knoll (Retired)
Habitat: Degrassi Knoll
Habitat: Degrassi Knoll Item Drops: gnoll lips, Gnollish toolbox
Habitat: A Sinister Dodecahedron
Habitat: The Inexplicable Door
Habitat: The Dark and Dank and Sinister Cave (for Seal Clubbers)
Habitat: Menagerie Level 2
Habitat: The Misspelled Cemetary (Pre-Cyrpt) Item Drops: coffin lid, dead guy's watch, grave robbing shovel
Habitat: The Defiled Alcove, The Misspelled Cemetary (Post-Cyrpt) Item Drops: coffin lid, dead guy's watch, loose teeth, rusty grave robbing shovel
Habitat: The Battlefield (Frat Warrior Fatigues) Item Drops: communications windchimes, gas balloon, gas balloon, green smoke bomb, green smoke bomb, henna face paint, round green sunglasses
Habitat: Crimbo Town Toy Factory (2005) (With a Unionize The Elves sign equipped)