Fire

Salamandramon

Salamandramon

Salamandragon

Non-winged Salamandramon Upgrade Form

Ocean

Fugumon

A pufferfish, but with legs as a concession to terrestrial mobility.

Turbo Fugumon

Fugumon upgrade form

Efftemon

A blue, poisonous newt.

Efftelisk

Newt Crossed with a basilisk.

Anelapede

Imagine a bobbit worm with milipede legs. Now shudder.

Earth

Slubbit

"Slug-bunny," ill-considered result of uMon forgetting how to effectively meddle in God's domain

Sandpup

Naked-mole-rat like mon, albeit with eyes and a sad face.

Sandpop

Sandpup Upgrade Form

Sky

Loromon

IT IS A PARROT!! WITH A BIG BEAK!!

Grey Loromon

Higher WIL and elemental stats than the base version.

Hyacinth Loromon

Tankier than the base version

Winged Catmon

Sporting mod of a popular petmon adds wings, sharper claws, and "attitude."

Aether

Strygamon

Flying (with transparent fans) witch-themed mon

Unicomon

Unicorn-themed sporting mon (a pet version also exists, and can be converted with mods) with "unicorn magic," and a pointy horn.

Areyemon

Magical Egyptian Cat

Metal

Drillmort

Worm-shaped mon with a drill on the front.

Hammer Drillmort

Yours is the drill that will pierce... the enemy, I guess.

Trispike

Tripod robot with spikes and pincers.

Rock

Deinomon

Small dinosaur, allegedly created from fossils.

Deinomoar

Deinomon upgrade version

Wood

Attinak

Fungus-growing ant mons.

Castrolob

A beaver-like mon with grassy fur. Shoots stuff at enemies.

Sporedrop

Pugnacious fern-covered mon.

Holy

Soramon

Nun-themed mon.

Underworld

X

Nymph

X

Phantasm

X

Vapor

X

Lightning

X

Crystal

X

Ice

X

Fire + Ocean

X

Fire + Earth

X

Fire + Sky

X

Fire + Aether

Kosemon

Fantasy wizard theme

Warlock Kosemon

Kosemon Upgrade Form

Fire + Metal

Calidoron

If a keychain can be a mon, so can a chiminea!

Panzermon

It's literally a tank, and it shoots fire, also it has arms.

Ultra Panzermon

Panzermon Upgrade Form

Fire + Rock

Ahahmon

Small humanoid tribal islander-themed mon throws rocks and can breathe fire.

Tropimon

Rethemed version of Ahamon which was created to address a cultural sensitivity issue. uMon long since brought back the original, but Tropimon is still seen on nonsanc.

Ignione

Vaguely humanoid volcano themed mon.

Ultra Ignione

Ignione upgrade form

Fire + Wood

X

Fire + Holy

X

Fire + Underworld

Charhuahua

Fire-themed dog petmon upgrade form. Noted for its vicious and foolhardy behavior.

Yokaimon

Four-armed muscular humanoid mon.

Fire + Nymph

X

Fire + Phantasm

X

'Fire + 'Vapor

Smokim

Half chinchilla and half very angry tire fire.

Fire + Lightning

X

Fire + Crystal

X

Fire + Ice

X

Ocean + Earth

Anuramon

Frog-styled mon with good mobility and a variety of attacks.

Ultra Anuramon

(Upgrade Form of Anuramon)

Spongimon

Intended to be a sea-sponge themed mon, it instead resembles a kitchen sponge due to poor research.

Ocean + Sky

Petrelmon

Actually a seagull-themed mon, a staple of the early meta until its signature attack was banned as tasteless.

Avid Petrelmon

Petrelmon upgrade form

Mod Petrelmon

A custom modded petrelmon

Seattle

Flying beetle-themed mon with coastal associations.

Ocean + Aether

Nudimon

Sea-slug themed mon with aether attacks. Reportedly the mon from which uMon attempted to create the Slubbit, but not as atrociously bad.

Cephalamon

It's an octopus, but it's got magic. OCTOPUS MAGIC.

Ocean + Metal

Seaquill

Amphibious half-porqupine half-urchin mon with metal quills.

Platarmon

Amphibious platypus mon with light armor plating, electro( and radio )reception, and shocking spurs on all four legs

Ultra Platarmon

Platarmon Upgrade Form

Iron Imvubion

mod Imvubion form

Ocean + Rock

Coramon

Coral reef mon, somewhat large and slow moving but very sturdy, circumferentially mostly evenly distributed in its ability to sense, attack, and move, and able to fire water jets (which don't do much non-elemental damage but do carry elemental damage) from numerous points as a ranged attack so long as its internal water tank isn't empty; it can also spin in place fairly rapidly and has numerous sharp projections on its surface; if flipped off its feet, it becomes less able to move and much more vulnerable, but it can then attack with its legs, and its shape allows self-righting

Gorgon Coramon

Upgrade to Coramon adds greater reach.

Imvubion

Small hippopotamus with claws, whip-like tails.

Ocean + Wood

X

Ocean + Holy

X

Ocean + Underworld

X

Ocean + Nymph

Seamew

Ships' cat themed sport upgrade package for pet catmons

Ocean + Phantasm

Celestine

Ghost pirate lady

Unanchored Celestine

(Celestine upgrade form)

Ocean + Vapor

X

Ocean + Lightning

X

Ocean + Crystal

Urchapus

A product of uMon's "animal combined with another animal" period, the Urchupus is like an octopus, but with spiky parts like a sea urchin.

Ocean + Ice

X

Earth + Sky

Haboob Nimblast

Nimblast landed form.

Velocimon

Feathered velociraptor mon, can't fly or glide but can jump well and fight with claws and teeth

Ultra Velocimon

Upgrade of Velocimon

Earth + Aether

Sychworm

A snake, but with magic, rounding out the "but with magic" period of uMon's mon designs.

Earth + Metal

Razorrat

A huge rat with sharp teeth and razor blades embedded in its backs.

Ultra Razorrat

(Razorrat Mod/Upgrade form)

Scorpene

Scorpion-themed mon with a tungsten stinger

Ultra Scorpene

Missing mon

Earth + Rock

Fossil Deinomon

Mod / special contest version of Deinomon

Burrowmon

Sort of an armored bear, but with a radially symmetric face for extra teeth.

Dire Burrowmon

Burrowmon was already noted as one of uMon's scarier-looking mons. This one is worse.

Earth + Wood

X

Earth + Holy

Heromon

Supposedly two-thirds god and one-third mon, this very OP armored humanoid mon, based on a uSyn war mon, was given out as a contest prize.

Earth + Underworld

X

Earth + Nymph

X

Earth + Phantasm

X

Earth + Vapor

Mudpile

Gelatinous and mostly amorphous mud-themed mon.

Earth + Lightning

X

Earth + Crystal

X

Earth + Ice

X

Sky + Aether

Swarmon

Insect-swarm themed mon, consisting of many small mons of limited individual intelligence. Definitely not a recycled war mon design...

Nimblast

Shrouded in clouds, source of lightning and bad omens for its enemies.

Hoopoon

Based on the Hoopoe and its necromantic associations. An early sport mon, considered a classic in the meta since the early days.

Sky + Metal

Iron Shrike

A bird that was already a monster, but with more metal.

Monatrot

Quadcopter mon, agile flyer armed with an automatic-fire-capable air pellet gun carrying elemental damage and capable of some direct damage (and can slowly produce more pellets with proper diet); also sees use as a security mon, and some as a cameramon with a mod that stops the gun systems being generated to provide extra lifting capacity and endurance

Sky + Rock

Rockroc

A giant rooster with incongruous bug-eyes, barely able to fly because of its armor plating.

Rocky Petaumon

Given away as a contest prize a long time ago.

Sky + Wood

X

Sky + Holy

Sunlight Hoopoon

Hoopoon upgrade version 2

Sky + Underworld

Cieluahua

Winter-themed pet dogmon upgrade.

Sky + Nymph

Petaumon

Flying squirrel themed mon. It can actually fly, not just glide. It comes with an aviator helmet accessory, for reasons lost to history.

Sky + Phantasm

Moonlight Hoopoon

Upgrade Form 1 of Hoopoon

Sky + Vapor

X

Sky + Lightning

Ghidormon

Limited-edition three-headed dragon mon with lightning and wind-based attacks.

Sky + Crystal

Caelumon

Physically delicate, but elementally-powerful flying crystal mon.

Primum Mobile Caelumon

Rare upgrade version of Caelumon

Sky + Ice

X

Aether + Metal

Cursed Panzermon

Hexhamon

Podmind

Polypodmind

Aether + Rock

X

Aether + Wood

X

Aether + Holy

Maven Kosemon

Kosemon Upgrade Form

Aether + Underworld

Strygalich

Strygamon Upgrade Form with undead theme

Trickyimp

Entertainment mon sporting mod

Cursuahua

Pet dogmon upgrade form.

Aether + Nymph

Gemoni

Aether-type mons, typically sold as a pair.

Aether + Phantasm

Miniphant

Miniature elephant with illusion/magic theme

Megaphant

Upgrade Form of Miniphant. Not actually large at all, as elephants go, but pretty big.

Aether + Vapor

X

Aether + Lightning

X

Aether + Crystal

X

Aether + Ice

X

Metal + Rock

X

Metal + Wood

Sporedrill

Sporedrop upgrade version, with a drill on its face for extra drilly action.

Metal + Holy

Paladin Runemon

Druid-themed "rune mon" with three forms (Tree, Stone and Paladin); from the EAR

Metal + Underworld

X

Metal + Nymph

X

Metal + Phantasm

Spooky Calidoron

Halloween themed alternative form of Calidoron

Metal + Vapor

X

Metal + Lightning

Electrawuff

Sport/security wolf with metal armor plates over some areas of its body and a "taser bite", with good control over bite pressure and current/voltage

Electrawarg

Electrawuff Upgrade Form

Metal + Crystal

X

Metal + Ice

X

Rock + Wood

Rootbom

Spherical mon with grasping roots and a propensity to explode.

Rootmyne

Rootbom upgrade form

Rock + Holy

Goylemon

Based on the Golem of Prague

Goylemakht

Goylemon upgrade version, optimized for power

Goylegikh

Alternate Goylemon mod, optimized for speed

Stone-form Runemon

Druid-themed "rune mon" with three forms (Tree, Stone and Paladin); from the EAR

Rock + Underworld

Castrotroll

Modded Castrolob with regeneration

Rock + Nymph

X

Rock + Phantasm

X

Rock + Vapor

X

Rock + Lightning

X

Rock + Crystal

X

Rock + Ice

X

Wood + Holy

Forest-form Runemon

Druid-themed "rune mon" with three forms (Tree, Stone and Paladin); from the EAR

Wood + Underworld

X

Wood + Nymph

X

Wood + Phantasm

X

Wood + Vapor

X

Wood + Lightning

X

Wood + Crystal

Duriking

Durimon upgrade form

Wood + Ice

X

Holy + Underworld

X

Holy + Nymph

X

Holy + Phantasm

X

Holy + Vapor

X

Holy + Lightning

X

Holy + Crystal

X

Holy + Ice

X

Underworld + Nymph

X

Underworld + Phantasm

X

Underworld + Vapor

X

Underworld + Lightning

X

Underworld + Crystal

X

Underworld + Ice

X

Nymph + Phantasm

X

Nymph + Vapor

X

Nymph + Lightning

X

Nymph + Crystal

X

Nymph + Ice

X

Phantasm + Vapor

X

Phantasm + Lightning

X

Phantasm + Crystal

X

Phantasm + Ice

X

Vapor + Lightning

X

Vapor + Crystal

X

Vapor + Ice

X

Lightning + Crystal

X

Lightning + Ice

X

Crystal + Ice

X