"The Helmatrop is a type of Ratadon, a rhino-sized monster that loves nothing more than to bash and mash down anything in its path. Its greatest enemy is the Gibbering Troolis and if these two monsters begin to fight, it's almost impossible to stop the destruction."
―The Troop official site's description of the Helmatrop

No More Master Nice Guy


4-6 feet


1000-2000 lbs

Special Abilities:

If disturbed, will gore or stamp to death its foes

Helmatrops are large, destructive monsters, and natural enemies of Gibbering Troolises.


No More Master Nice GuyEdit

A Helmatrop appears in a Troop training simulation.


When a Helmatrop is disturbed, it will gore or stamp everything in sight to death. It is also natural enemies with the Gibbering Troolis.



Helmatrops resemble large, grey, dinosaur-like creatures with large teeth and horns.

Special AbilitiesEdit

The Helmatrop is very strong and powerful.


  • The Helmatrop is very similar in appearance to its cousin, the Ratadon.
  • The Helmatrop is the most iconic monster which does not appear properly in the show (as it only appears in the season 1 opening sequence and a training simulation).
Season 1 Monsters

Do The Worm: Mongolian Death WormSnark
Forest Grump: Dryad
There Is No "I" in Monster Hunter: Fire SalamanderGleegorRepticore
Welcome to the Jungle: Oscillating Rainbow SlugBasilisk
Pajama Game...of Death: Vespinox
Taming of the Cube: Gelatinous Cube
No More Master Nice Guy: DoulosHelmatrop
The Great Punkin: DankerRatadonVespinoxKaijuOscillating Rainbow SlugBasiliskTail MonsterGibbering TroolisMongolian Death WormRepticore
Tentacle Face: KaijuBehemothScreaming Tree Weasel
Lost in Translation: Borlak
The Good, the Bad, and the Ickie Doll: Vapor MonsterGleegor
The Substitute: Locht
Unpleasantville: Swarm MonstersHive Monster

My Gus Is Back, and You're Gonna Be In Trouble: Estrine GorgFlying Ice SlicerEntrusian Snot SlugScab-Crusted GnarlDimension MitesHuggie BearQuadro-Gob
Speed: Eris FairieDimension Mites
I, Monster: One-Horned DiabloPeacock MonsterVercingetorix
A Moth to the Spotlight: Vampire MothSnark
Vampsters: Vampster
Snarked Up: GriffinSnark
Itty Bitty Baby Dragon: Dragon
The Wrath of the Wraith: Wraith
Hayley and Felix on the Side: HideocuteTwo-Headed Zylork
Double Felix: Peruvian Swamp Slug
Don't Talk to Dr. Cranius: Dr. Cranius
Batteries Not Included: Oculypse
The Next Stop: Lakewood: Quadro-GobLochtKaijuGelatinous CubeDimension MitesDryadOculypseVespinoxBorlakHive Monster