The 16 heaviest Pokemon in existence! Awesome!

Weight: 420kg or 925.9 lbs.
Height: 3.7m or 12'02"

Regigigas is a legendary Pokemon of the Normal type. He has no gender, and doesn't evolve from or into another Pokemon. He is known as a colossal Pokemon and is the Trio master of Hoenn's legendary Titans. Those Titans are Registeel, Regirock and Regice.

Weight: 430kg or 948 lbs.
Height: 9.8m or 32'01"

This Pokemon is a part of the "weather trio" along with Rayquaza and Groudon.

Normally Kyogre weighs only 352kg or 776 lbs., but when it holds the "blue orb" it can transform by doing something called "primal reversion" and it then turns into Primal Kyogre.
In this primal state the Pokemon is a lot bigger and heavier!

Weight: 430kg or 948 lbs.
Height: 1.7m or 5'07"

Heatran is a legendary Fire and Steel type Pokemon. It has no evolution and it doesn't evolve from something. The power of the Magma Stone is used to keep it from rampaging and erupting the volcanic crater in which it dwells.

Weight: 460kg or 1014.1 lbs.
Height: 2.1m or 6'11"

Everyone knows Snorlax! It is one of the original 151 Pokemon. He is also very well known from the early Pokemon games because you have to wake him up with a Poke Flute! Snorlax is a normal type Pokemon and with high friendship he evolves from Munchlax. Snorlax can eat almost anything, and when it starts eating it needs at least 400kg or 900 lbs. of food to be satisfied.

A fun fact about snorlax is, that the gender ratio (how many male and female snorlax's there are) is 87.5 percent Male and 12.5 percent Female.

Weigth: 490kg or 1080.3 lbs.
Height: 6.5m or 21'04"

Hoopa is not really well known and that's because he's relatively new, he is from the 6th generation of Pokemon.

If you're wondering why it says "unbound" then here's why. Hoopa is a magical Pokemon that comes in 2 different forms. The first one is Hoopa confined and that's his default form. But if you use something called "the prison bottle" then he will turn into Hoopa unbound. And that's the big Hoopa we're talking about!
While regular Hoopa (confined) weighs only 9kg or 9.8 lbs., Hoopa unbound weighs a great deal more!

Weight: 505kg or 1113.3 lbs.
Height: 2m or 6'07"

Avalugg is an Ice-type Pokemon that resembles an Iceberg. It evolves from Bergmite at level 37.

Weight: 550kg or 1212.5 lbs.
Height: 1.6m or 5'03"

Metagross is a pseudo-legendary Pokemon. Which means it isn't a real legendary one, but it has certain characteristics that make it more powerfull than regular Pokemon. It evolves from Beldum and then Metang at level 45. It can also mega evolve using the Metagrossite. It is a Steel and Psychic type.

Metagross is actually a sort of robot and it's more intelligent than a super computer.

Weight: 610kg or 1344.8 lbs.
Height: 4.5m or 14'09"

Zygarde is a legendary Dragon and Ground type Pokemon. The Zygarde we are talking about here is the Complete Forme Zygarde. There are also the 10 percent and 50 percent formes but the will not be discussed here. Zygarde is composed of two basic components, the Zygarde cells (body) and the Zygarde Cores (brain). The 10 percent Zygarde has only one core so the Zygarde cores can act independently. The Complete Forme Zygarde looks like an awesome Humanoid Gundam!

Weight: 650kg or 1433 lbs.
Height: 6.9m or 22'08"

Giratina is a pretty well known Pokemon, since he is also the mascot for the Pokemon Platinum game. That he also has 2 different formes is maybe less known.

His first and original forme is "Altered Forme" Giratina.
If he goes to his home "distortion world" or he gets a "Griseous Orb" however then he transforms to his "Origin Forme". And the "Origin Forme" is why Giratina is the number 8 in this list.

In that state he is quite a lot bigger then the Altered forme, but lighter in weight. So you will find the Altered forme Giratina higher up in this list!

Weight: 683kg or 1505.8 lbs.
Height: 5.4m or 17'09"

Dialga is a legendary Steel and Dragon type Pokemon. It doesn't evolve from or in another Pokemon. It appears on the game cover of Pokemon Diamond, and is the mascot for that game. It also represents time and it is a member of the legendary Creation trio of Sinnoh together with Palkia and Giratina.

Weight: 740kg or 1632.4 lbs.
Height: 10.5m or 34'05"

This is the Mega evolution of Steelix. This mega evolution happens when the "steelixite" is used on Steelix.

It is a really big Pokemon when it is regular Steelix, and Mega Evolving makes it even more massive.
It is 340 kg heavier then regular Steelix!

Weight: 750kg or 1653.5 lbs.
Height: 4.5m or 14'09"

Altered Forme is Giratina's original forme. It only transforms to it's Origin Forme when it is in his home the "distortion world" or when it holds the "Griseous Orb". It is a legendary Ghost and Dragon type Pokemon. In it's Origin Forme it is the mascot for the game "Pokemon Platinum".

Weight: 920kg or 2028.3 lbs.
Height: 2.5m or 8'02"

Mudsdale is a really new Pokemon, it hasn't even come out yet. It is a Pokemon that has been set to appear in the new Pokemon Sun and Moon games that will release somewhere this year. But it's stats are known and that's the most important for this list.

It actually is a big horse that weighs almost a ton. That makes it an incredible Pokemon and the 4th heaviest Pokemon ever. It is a ground type Pokemon and evolutions or pre-evolutions are not yet known.

Weight: 942.9kg or 2078.7 lbs.
Height: 2.5m or 8'02"

Mega Metagross is the Mega Evolution of Metagross. He Mega Evolves by using the Metagrossite. Information about Metagross can be found earlier in this list.

Weight: 950.0kg or 2,094.4 lbs.
Height: 3.5m or 11'06"

Groudon is a legendary Ground type Pokemon. It is a part of the Weather Trio together with Rayquaza and Kyogre. Groudon is genderless, as are a lot of legendary Pokemon. It possesses the ability to expand continents.

It also is the game mascot for "Pokemon Ruby" and its remake "Pokemon Omega Ruby"

Weight: 999.7kg or 2,204.4 lbs.
Height: 5.0m or 16'05"

Primal Groudon is a real Mastodon! It's only 0,3kg away from weighing a ton, and it stand 5 meters tall. That's like a gigantic dinosaur or something! Primal Groudon is the result of Groudon doing its Primal Reversion. This happens when Groudon holds the so called "Red Orb"

So this is the biggest Pokemon that is and ever was!