Top 10 Heaviest Pokemon of All Time

Updated on November 15, 2018
Jeremy Gill profile image

In-between Pokemon journeys, Jeremy enjoys working as a pharmaceutical chemist and campus manager.

What Are the Heaviest Pokemon in the World?

Throughout the years, we've been treated to several shapes and sizes of Pokemon, some much larger than others. But height doesn't always equal weight, as the tallest Pokemon (Alolan Exeggutor) weighs barely half of today's lightest unit.

While most of the bulkiest monsters match their mass with size, you might be surprised at the minuscule stature some of today's entries bear. So, with hundreds of different creatures running rampant, which units weigh the most? These are the ten heaviest Pokemon of all time!

Mega Steelix
Mega Steelix

10. Mega Steelix

Weight: 740.0 kg (1631.4 lbs)
Type: Steel/Ground

Classic Onix sheds its Rock element in favor of Steel upon turning into Steelix, retaining its new typing when it mega evolves. Mega Steelix is an absolute wall against physical attacks, bearing a whopping base Defense of 230 as well as eight type resistances and two immunities! He's also one of the largest Pokemon, measuring 34 feet in height.

Giratina (Altered Forme)
Giratina (Altered Forme)

9. Giratina (Altered Forme)

Weight: 750.0 kg (1653.5 lbs)
Type: Ghost/Dragon

Ironically, Giratina's so-called "Altered Forme" is the mode initially introduced in Diamond and Pearl; its separate Origin Forme debuted in Pokemon Platinum. Stat-wise, Altered is more defensive while Origin is more offense-oriented, but they share the same base stat total of 680. Strangely, despite Origin being taller, Altered is actually Giratina's bulkier mode, weighing about the same as ten adult humans!

Melmetal
Melmetal

8. Melmetal

Weight: 800.0 kg (1763.7 lbs)
Type: Steel

As of this writing, little about Melmetal's combat capabilities are known, as he's exclusive to Pokemon: Let's Go Pikachu and Pokemon: Let's Go Eevee. However, we do know he's a Steel-type that evolves from Meltan, and he weighs exactly 800 kilograms, once again showcasing the fittingly bulky forms commonly seen among Steel types.

Stakataka
Stakataka

7. Stakataka

Weight: 820.0 kg (1807.8 lbs)
Type: Rock/Steel

Introduced in Generation 7's Ultra Sun and Ultra Moon, Ultra Beast Stakataka's stat spread resembles Mega Steelix's, heavily favoring Defense while bearing an atrocious speed. Stakataka wields several resistances and an immunity to Poison, but beware, as two of his three weaknesses (Fighting and Ground) will hit him for quadruple damage!

Guzzlord
Guzzlord

6. Guzzlord

Weight: 888.0 kg (1957.7 lbs)
Type: Dark/Dragon

Another Ultra Beast from Generation 7, Guzzlord bears a surprisingly low stat total for a legendary, bearing decent Attack but low Defenses and Speed. However, he somewhat compensates with a daunting HP value, and he puts his colossal weight to good use with the Steel technique "Heavy Slam", dealing more damage against foes who weigh less than him—which is basically everybody.

Mudsdale
Mudsdale

5. Mudsdale

Weight: 920.0 kg (2028.3 lbs)
Type: Ground

The upgraded form of Mudbray, Mudsdale is a pure-Ground breed from the Alola region. Despite his impressive stature, he's not legendary, but his 920 kilograms sure do pack a punch, especially with a base Attack of 125. Sorry, Yoda, sometimes size does matter.

Mega Metagross
Mega Metagross

4. Mega Metagross

Weight: 942.9 kg (2078.7 lbs)
Type: Steel/Psychic

This Hoenn classic already weighed a ton in his base form, but nearly doubles his weight upon mega evolving. As a pseudo-legendary, Metagross's stats rank at an impressive 600, but his mega form carries a daunting 700, favoring the physical attributes while still being well-rounded elsewhere, letting him fight competently on any front.

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GroudonPrimal Groudon
Groudon
Groudon
Primal Groudon
Primal Groudon

3. Groudon/Primal Groudon

  • Weight (Regular): 950.0 kg (2094.4 lbs)
  • Type (Regular): Ground
  • Weight (Primal): 999.7 kg (2204.0 lbs)
  • Type (Primal): Ground/Fire

Pokemon Ruby's mascot Groudon lumbers in with a fierce 950 kilos, and when you unlock his Primal form (similar to a mega evolution) in Omega Ruby, he further enlarges to a whopping 999.7, missing today's top spot by less than half a pound. In addition to their sizes and stats, Groudon and Primal Groudon wield the "Drought" and "Desolate Land" weather traits, some of the best abilities in the games.

Cosmoem
Cosmoem

2. Cosmoem

Weight: 999.9 kg (2204.4 lbs)
Type: Psychic

This unorthodox creature not only bears two evolutionary paths (morphing into Solgaleo in the Sun games and Lunala in the Moon), but actually loses weight when it evolves. Cosmoem ties for heaviest creature, weighing a massive 1000 kilograms, but it's actually one of the smallest Pokemon, being only a tenth of a meter tall. Big things come in little packages, eh?

Celesteela
Celesteela

1. Celesteela

Weight: 999.9 kg (2204.4 lbs)
Type: Steel/Flying

Johto's Skarmory long remained the only Steel/Flying blend—until this Alolan Ultra Beast entered the fray. Celesteela's 570 stats are a bit low for a legendary, but her excellent type pairing provides eight resistances and two immunities with just two weaknesses (Fire and Electric); fortunately, neither hit her for quadruple damage.

Thus, Celesteela's fantastically durable, shrugging off strikes from several elements. While she weighs the same as Cosmoem, her 30-foot tall stature lends her a presence her cosmic counterpart lacks, making her one of the largest and the heaviest Pokemon of all time!

Which Pokemon do you prefer?

See results

Does a Pokemon's Weight Matter?

Pokemon battles are influenced by many factors, from your monster's stats to its type, ability, held item, and more. Admittedly, weights largely (if you'll pardon the pun) serve as extra information to those browsing the Pokedex. That said, they do occasionally come into play. Attacks like "Low Kick" and "Grass Knot" deal more damage against bulky foes, and the Fancy and Light Cup tournaments restrict competitors based on weight. Additionally, the Heavy Ball Pokeball variant excels at capturing sizable monsters, so don't dismiss mass as completely irrelevant when building your ultimate team.

But for now, as we eagerly await Nintendo's next batch of gargantuan creatures, vote for your favorite behemoth and I'll see you at our next Pokemon countdown!

Questions & Answers

    © 2018 Jeremy Gill

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      • Jeremy Gill profile imageAUTHOR

        Jeremy Gill 

        10 days ago from Louisiana

        @Poppy

        Glad you enjoyed some of the underrated Mystery Dungeon titles! And don't tempt me with April Fool's ideas : )

      • poppyr profile image

        Poppy 

        11 days ago from Tokyo, Japan

        Aww, I remember Groudon from Pokémon Myster Dungeon Red Rescue Team. Unfortunately I haven’t played any Pokémon games since Pokémon Y, but I might get into them again. Good list of heavy Pokémon, and props to you for not ending it with “1. Your mom.”

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