5 heaviest Pokemon of all time (2024)

Heaviest Pokemon of all time
Mega Aggron in the Pokemon anime (Image via The Pokemon Company)

The world of Pokemon is not just about the cutest or the most powerful creatures; it's also home to some truly colossal beings that defy imagination with their sheer mass. These heavyweight champions of the Pokemon universe captivate fans not only with their size but also with their unique backgrounds and abilities.

This detailed exploration of the 10 heaviest Pokemon of all time will delve deeper into the lore and significance of these titanic creatures.

Note: This list is subject to change as newer generations are released with future franchise titles.


Ranking the heaviest Pokemon as of March 2024

These are the heaviest Pokemon currently present in the franchise:

10) Ice Rider Calyrex

Ice Rider Calyrex in the Sword and Shield games (Image via The Pokemon Company)
Ice Rider Calyrex in the Sword and Shield games (Image via The Pokemon Company)

At the base of our list is the majestic Ice Rider Calyrex, tipping the scales at 1783.8 lbs (809.1 kg). This fusion form of Calyrex and Glastrier, brought about by the mystical Reins of Unity, embodies the harsh winters and enduring spirit of The Crown Tundra. Calyrex's Ice Rider form isn't just about brute strength; it's a symbol of leadership and harmony between nature and creatures.

The ability to emit temperatures as chilling as −500 °F (−300 °C) speaks volumes of its control over the ice, making it a revered and one of the strongest Ice-type figures in Pokemon.


9) Stakataka

Stakataka in the anime (Image via The Pokemon Company)
Stakataka in the anime (Image via The Pokemon Company)

Weighing in at 1807.8 lbs (820.0 kg), Stakataka is a testament to the alien and unknowable aspects of the pocket monster world. As an Ultra Beast, its appearance and structure challenge the norms of what a creature can be. Resembling a moving fortress, Stakataka's form is a marvel of living architecture, composed of countless sentient stones.

This being is not just a defensive stronghold but also a formidable opponent in battle, with the ability to shift and attack with precision, much like a well-coordinated army.


8) Dialga (Origin Forme)

Dialga in its Origin Forme in Pokemon GO (Image via The Pokemon Company)
Dialga in its Origin Forme in Pokemon GO (Image via The Pokemon Company)

The embodiment of time itself, Dialga in its Origin Forme, weighs a monumental 1871.0 lbs (848.7 kg). This form, achieved through the power of the Adamant Crystal, showcases Dialga's true nature and power as the guardian of time.

Dialga's significance in the franchise's universe cannot be overstated, with its very existence ensuring the flow and stability of time across all dimensions. Its role as the almighty Sinnoh shows how much ancient civilizations respected it, almost like it was a god.


7) Guzzlord

Guzzlord in the anime (Image via The Pokemon Company)
Guzzlord in the anime (Image via The Pokemon Company)

Guzzlord stands out not just for its weight of 1957.7 lbs (888.0 kg) but also for its insatiable appetite, consuming everything in its path. This Ultra Beast's existence raises questions about the balance of ecosystems and the unknown dangers lurking in the universe.

Guzzlord is a walking paradox, a creature that consumes endlessly yet leaves no trace behind, a mystery that defies the natural laws of the Pokemon world.


6) Mudsdale

Mudsdale in the anime (Image via The Pokemon Company)
Mudsdale in the anime (Image via The Pokemon Company)

Mudsdale, the Draft Horse Pokemon, weighs in at 2028.3 lbs (920.0 kg). Beyond its impressive mass, Mudsdale is a symbol of resilience, endurance, and an unyielding spirit. Its ability to carry over 10 tons and travel for days without rest makes it an indispensable companion for those who understand and respect its might.

Mudsdale's hooves, capable of crushing asphalt, are a testament to its incredible strength, embodying the raw, untamed power of nature.


5) Mega Metagross

Mega Metagross in the anime (Image via The Pokemon Company)
Mega Metagross in the anime (Image via The Pokemon Company)

As Mega Metagross, weighing 2078.7 lbs (942.9 kg), this creature represents the pinnacle of evolution through the power of Mega Evolution. This form is a marvel of biological and psychic might, combining the intelligence of multiple Metagross brains into a single, formidable entity.

Mega Metagross's strategic prowess and ruthless efficiency in battle are a reflection of its elevated intellect, making it a fearsome adversary capable of calculating countless strategies in the blink of an eye.


4) Eternatus

Eternatus in the anime (Image via The Pokemon Company)
Eternatus in the anime (Image via The Pokemon Company)

The Gigantic Pokemon, Eternatus, at a staggering weight of 2094.4 lbs (950.0 kg), stands as a monument to the cosmic and extraterrestrial aspects of the pocket monster world. Its very presence is a harbinger of disaster, linked to the Darkest Day, yet it also plays a crucial role in the ecosystem of the Dynamax phenomenon.

Eternatus is a living paradox, a creature that brings both destruction and growth, embodying the dual nature of life itself.


3) Primal Groudon

Primal Groudon in the anime (Image via The Pokemon Company)
Primal Groudon in the anime (Image via The Pokemon Company)

Weighing a titanic 2204.0 lbs (999.7 kg), Primal Groudon is a force of nature unmatched in its ability to sculpt the very continents. As the Continent Pokemon, its power over the land is unrivaled, capable of summoning volcanoes and earthquakes to alter geography at will.

Primal Groudon's ancient conflict with Kyogre speaks to the primal forces at play in the Pokemon universe, a never-ending struggle between land and sea, creation and destruction.


2) Cosmoem

Cosmoem in the anime (Image via The Pokemon Company)
Cosmoem in the anime (Image via The Pokemon Company)

Tied for the heaviest at 2204.4 lbs (999.9 kg), Cosmoem is a celestial enigma. This Protostar Pokemon represents the potential for astronomical growth and transformation, a literal star in the making. Its evolution into either the Legendary Pokemon Solgaleo or Lunala is a cosmic event, marking the birth of celestial deities.

Despite its immobility, Cosmoem's immense gravitational pull and the mystery of its existence challenge our understanding of life and evolution in the Pokemon universe.


1) Celesteela

Celesteela in the anime (Image via The Pokemon Company)
Celesteela in the anime (Image via The Pokemon Company)

Sharing the top spot with Cosmoem, Celesteela also weighs 2204.4 lbs (999.9 kg). This Ultra Beast merges the organic with the mechanical, a living spacecraft that challenges the boundaries between technology and nature. Its ability to launch itself into the sky, possibly reaching outer space, is a testament to the untold technological wonders that exist within the series.

Celesteela's bamboo shoot-like appearance and its method of nutrient absorption further blur the lines between plant and machine, presenting a unique ecological niche within the ecosystem.


These gargantuan Pokemon are not just remarkable for their size but for the stories they tell and the mysteries they embody. From guardians of time and space to harbingers of destruction and creation, each heavyweight champion adds depth and wonder to the universe, inviting trainers and fans alike to explore the limits of what is possible within this ever-expanding world.

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