DM-nastics #2: What is this new devilry?!?!?

Since most of us are playing D&D 5e, I suspect we'll see stat blocks in that style. However, submissions for any edition (or even other systems) should be welcome.

Anyway, heeeere we go!

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Whangdoodle

The Whangdoodle is a wire-frame icosahedron (20-sided polyhedron) approximately 1 foot in diameter. Each face is constructed of three brass rods forming a triangle. A glass prism hovers in the center, which remains clear while inactive. The Whangdoodle responds to any intruders it can detect with its blindsight, and who do not speak a password assigned by its owner. When this occurs, the prism begins to glow with one of four random colors. It moves toward the nearest hostile creature. It normally flies along the most direct route, though it will avoid danger to reach its target. It is also capable of swimming, and rolling on the ground if flight is difficult or impossible. Though single Whangdoodle defenders are common, they are also frequently deployed in squadrons capable of surrounding an enemy, and setting off a chain reaction Prismatic Explosion

These constructs are the invention of the infamous gnome tinker and wizard, Gifredi 'Near-eyes' Tolfer. Much too dangerous to defend his sensitive lab areas, he normally placed them in corridors between the various facilities in his workshop to deter would-be thieves. A wealthy patron of his was delighted with the small constructs, and commissioned dozens for his own use. Their popularity spread from there, and Tolfer eventually sold the magical formula and physical blueprints for their construction to the local Tinker's Guild, which continued to distribute them as a security device to anyone willing to pay for them.

Variant: Some Whangdoodles are constructed with limitations on their Prismatic Heart and Prismatic Explosion. Some are constructed with only one active color, while others may exclude only certain colors. For instance, red is commonly excluded in living areas with flammable objects. Sometimes Prismatic Explosion is entirely disabled. Others include an alarm that continuously sounds once it detects an intruder, audible to a distance of 300 feet, that lasts until the construct is destroyed or the password is spoken. Some versions also have their attack protocol, Ram, disabled. Any Whangdoodle without Prismatic Heart (red), Prismatic Explosion, or Ram is a Challenge 0 creature worth 10 XP.


Whangdoodle
Tiny construct, unaligned

Armor Class 12 (natural armor)
Hit Points 2 (1d4)
Speed 30 ft., swim 30 ft., fly 30 ft.

STR          DEX          CON          INT          WIS          CHA
2 (-4)       14 (+2)      10 (0)        1 (-5)        10 (0)        10 (0)


Skills Perception +2
Damage Resistances cold, fire, lightning, necrotic, radiant
Damage Immunities poison, psychic 
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses blindsight 60 ft. (blind beyond this radius), passive perception 12
Languages understands the language of its creator, but cannot speak
Challenge 1/8 (25 xp)

Prismatic Heart. At the start of its turn, the Whangdoodle's magical core shimmers and changes into a random color, emitting a form of energy. Roll 1d4 to determine the color. It does not change color if the same result is rolled on consecutive turns. If a hostile creature starts its turn within 5 ft. of the Whangdoodle, it is affected according to the Whangdoodle's current color. The DC for each saving throw is 10.
    (1) Red: A small burst of flame erupts from the prism. The creature must succeed on a a Dexterity saving throw or take 2 (1d4) fire damage.
    (2) Yellow: A bright light flashes from the prism. The creature must make a Wisdom saving throw. If it fails, the creature is blinded until the start of its next turn.
    (3) Blue: Enervating cold radiates from the prism. The creature must make a Constitution saving throw. If it fails, the creature's movement is reduced by 10' until the start of its next turn.
    (4) Green: Sickening green light emits from the prism. The creature must make a Constitution saving throw. If it fails, the creature is poisoned until the start of its next turn.

Prismatic Explosion. When the Whangdoodle is reduced to 0 HP or dies, it explodes in a brilliant, multi-hued shower of sparks. All creatures within 5 ft. of the Whangdoodle must make a DC 10 Dexterity saving throw, taking 3 (1d6) radiant damage on a failed save, or half as much on a successful one.

Actions

Ram. The Whangdoodle must move at least 10' in a straight line prior to attacking. Melee weapon attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.

Whangdoodle
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Small Undead, Chaotic Evil
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Armor Class: 11 (natural armor)
Hit Points: 14 
Speed: Flying 40 ft
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STR DEX CON INT WIS CHA
10(0) |14(+2) |11(0) |9(-1) |9(-1) |9(-1)
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Skills: Stealth +3, Darkvision 60ft 
Passive Perception: 10
Languages: None
Challenge 1/2(100 XP)
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Undead Fortitude: If damage reduces the Whangdoodle
to 0 hit points, it must make a CON saving throw with
a DC of 5+ the damage taken, unless the damage is 
radiant or a critical hit. On a success, the Whangdoodle
drops to 1 hit point instead.

Keen Senses: The Whangdoodle has advantage on
Wisdom(Perception) checks that rely on hearing
smell and sight.

Pack Tactics: The Whangdoodle has Advantage on
attack rolls against a creature if it has at least one
other Whangdoodle within 5 feet of the creature
and the ally isn't incapacitated.
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Bite: Melee Weapon Attack: +4 to hit, reach 5ft. 
one target. Hit 5(1d6+2) necrotic damage
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The Whangdoodle was a creation of an evil Gnome Necromancer who was dabbling in some pretty nasty business. The Necromancer rounded up all the dogs in the town and killed them. He removed their heads and then use dark necro-magics to mold and fasten large bat-like wings to the ears of these dogs. He raised them from death and they became a winged terror which he used to begin a quest to dominate the land. The Whangdoodles became as fierce and loyal as they were in life. Their bite was a sure death mark for most who were unlucky enough to cross their path. 

Since the defeat of the necromancer, wild packs of Whangdoodles have been seen flying through the country side at night searching for either their fallen master or their next meal. 

"Their bite is most certainly worse than their bark!" ~Gaston Ratchetspangle, Cleric of Thlig

Treemeleon

The Treemeleon is a huge dinosaur like creature, though it's main body is made of stone and plant life grows out of it's back. The creature is a heavy built herbivore that wanders around near forests and places of dense plant life; while younger Treemeleons are able to hide in long grass and thick bushes, looking like a pile of rocks, older and larger Treemeleons have to stay to an area with a more forest like environment to hide themselves. If a Treemeleon feels threatened it will swing it's rocky tail in the air as a warning, swinging it at any creatures that advance towards it. At birth the Treemeleon's back is very soft and takes a couple of years to harden up, during these early years the young Treemeleon will live in the foliage of it's parents backs allowing it to be kept safe from any predators that might be tempted. As the young live in the foliage of it's parents, seeds embed into the soft back and will start to sprout and grow with the Treemeleon.

A wide range of different foliage can be seen in the different herds depending on where they travel and who they have mated with, some sprouting large heavy trees others small flowers or even hedges. Some older Treemeleon are able to survive on the foliage growing from their back, providing it grows low enough.
Young Treemeleon are highly sought after on the black market for their ability to grow any plant on their back. It is said that there is a group of druids that live and travel with a herd of Treemeleon, planting useful herbs for remedies and making tools from the wood and vines that grow.
When a Treemeleon dies the plants that grew on it's back continue to grow and will eventually cover the stone corpse turning it into a beautiful, invisible grave.

Treemeleon
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Huge Monstrosity
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Armor Class: 16 (natural Armor)
Hit Points: 100 (11d12 + 30)
Speed: 30
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   STR    |  DEX   |   CON   |   INT  |   WIS    |  CHA  |
 20 (+5) | 9 (-1) | 20 (+5) | 2 (-4) | 11 (+0) | 5 (-5) |
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Senses: Passive Perception 10
Languages: None
Challenge 3 (maybe 4?)
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Tail: Melee Weapon Attack: +7 to hit, Reach 10 ft. One target. Hit 18 (4d6 +4) bludgeoning damage. If the target is a creature, it must succeed on a DC 14 strength saving throw or be knocked prone.
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There we go! The stats could do with a bit of a clean/change up. As soon as I saw 'Treemeleon' I had an image of a Stegosaurus with a hedge row instead of a row of plates down it's spine, and knew it was the one. I realised part way through that it sounded like the Bulbasaur Evolution line from Pokémon but that was not my intention.

I've never created a creature before and I took kind of a more humorous approach to this. Hope that's okay. Also... I didn't see this so much as a monster as just a creature. That is probably also weird. Sorry.

Food Golem

An invention of our dearest and oldest friend, the Food Mage. While the natural habitat for these creatures is kitchens all around the world, they are looked down upon and very underappreciated, thus they are a rare sight, indeed. Although they do leave a messy trail of spaghetti sauce wherever they travel, good golems are considered to be some of the finest chefs in the world.

When given freedom, the food golem's prime goal of existence is to travel the world, learning to cook all different types of cuisine from the greatest chefs of all cultures.

Stats
I play pathfinder, not D&D. I think the stat blocks look pretty much the same? I mostly copied the stats/format of an ice Golem and changed stuff up.

Food Golem
XP 1600. CR 5

Medium Construct, true neutral
Initiative -1

Senses: darkvision 60 ft., low light vision, perception + 0

Defenses
AC 17, touch 9, flat-footed 17 (-1 Dex, +8 natural)
HP: 53 (6d10 + 20)
Fort +2, Ref +1, Will +2
Immune: construct traits

Offenses
Speed: 30 ft.
Melee: 2 slams +9 (1d6+3 damage)
Special Attacks: grab, trip

The idea for grab is that spaghetti noodles will reach out to wrap around the enemy.
For trip, I was envisioning some sort of spray of sauce or something to make an enemy slip on the ground. There may be a better attack for this that I don't know about.

Statistics
Str 16 Dex 9 Con -- Int -- Wis 11 Cha 1

Base atk +6; CMB +9; CMD 18

Special Abilities
Scent: Due to the Food Golem's great appreciation for all spices and scents that can be added to foods, it has an incredible sense of smell. The Food Golem can detect and track down anything within 30 feet. This is especially helpful when looking for fresh herbs.