ジヘッド Jiheddo
Generation V
Evolutionary line
Type Dark  Type Dragon
Species Hostile Pokémon
Abilities Hustle
Deino ← 634 → Hydreigon
Kanto N/A Johto N/A
Hoenn N/A Sinnoh N/A
Unova 140/274 Mountain Kalos 143
Alola N/A
Evolves from Deino
Evolves into Hydreigon
50% ♂ / 50 % ♀
Weight Height
110.2 lbs. 50.0 kg 4'07" 1.4 m
Pokédex color Egg group
Blue Dragon
Shape Footprint

Zweilous (Japanese: ジヘッド Jiheddo) is a Dark/Dragon-type Pokémon introduced in Generation V.



Zweilous is a quadrupedal two-headed draconian Pokémon. Two black wing-like appendages and a second head have appeared on its body upon evolving from Deino. Black scruffy fur covers both heads' necks and eyes. It has two claws on each front leg, as well as a stubby tail and two feather-like "horns" on both of its heads. Its round, plumper underbelly has two rows of magenta scales. Zweilous' belly is rounder and wider due to the fact that it is a voracious Pokémon that is constantly eating; its heads compete for food, so it eats more than necessary.


Zweilous' two heads do not get along and will often fight and compete with one another. They are especially competitive over food, so Zweilous will often eat too much because each head wants to eat more than the other. Whichever of Zweilous' heads eats more becomes the dominant head.


Zweilous is the evolved form of Deino as of level 50, and evolves into Hydreigon at level 64.

Game data

Game Locations

Version(s) Area(s) Rarity
Black/White Evolve Deino None
Black 2/White 2 N's Castle Rare
X/Y Victory Road Rare
OR/AS Evolve Deino None
Sun/Moon Evolve Deino None

Pokédex entries

Pokédex Entries
Once it eats all the prey in its territory, it moves on to a different area. The two heads don’t get along.
Since their two heads do not get along and compete with each other for food, they always eat too much.
Black 2
The two heads do not get along. Whichever head eats more than the other gets to be the leader.
White 2
The two heads do not get along. Whichever head eats more than the other gets to be the leader.
The two heads do not get along. Whichever head eats more than the other gets to be the leader.
After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
Omega Ruby
The two heads do not get along. Whichever head eats more than the other gets to be the leader.
Alpha Sapphire
After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
Ultra Sun
Ultra Moon


Base Stats
Sp. Atk
Sp. Def


Leveling Generation V
Level Move Power Acc. PP Type Cat.
1 Double Hit 35 90% 10 Normal Physical
1 Dragon Rage 100% 10 Dragon Special
4 Focus Energy –% 30 Normal Status
9 Bite 60 100% 25 Dark Physical
12 Headbutt 70 100% 15 Normal Physical
17 Dragon Breath 60 100% 20 Dragon Special
20 Roar 100% 20 Normal Status
25 Crunch 80 100% 15 Dark Physical
28 Slam 80 75% 20 Normal Physical
32 Dragon Pulse 90 100% 10 Dragon Special
38 Work Up –% 30 Normal Status
42 Dragon Rush 100 75% 10 Dragon Physical
48 Body Slam 85 100% 15 Normal Physical
55 Scary Face 100% 10 Normal Status
68 Hyper Voice 90 100% 10 Normal Special
79 Outrage 120 100% 10 Dragon Physical
Bold indicates this Pokémon receives STAB from this move.
Italic indicates an evolved or alternate form of this Pokémon receives STAB from this move.


Black White Black 2 White 2 Back
Zweilous BW Zweilous BW ZweilousBackBW
Shiny Zweilous BW Shiny Zweilous BW ZweilousBackShinyBW
X Y Omega Ruby Alpha Sapphire Back
Zweilous XY Zweilous XY ZweilousBackXY
ZweilousShinyXY ZweilousShinyXY ZweilousBackShinyXY
Sun Moon Ultra Sun Ultra Moon Back


Two Zweilous made their debut in A Village Homecoming!, where one of them went on to evolve into a Hydreigon.


  • Zweilous evolves at the highest level of any Pokémon (level 64).
  • It seems to have a pair of wings growing or developing on its back. This makes sense because its evolved form Hydreigon has wings.
  • Despite Zweilous's two heads having separate minds and brains Hydreigon is explicitly stated to only have one head. Whether Zweilous loses one if its brains or if the two fuse together is unclear.
  • Basculin and Zweilous are the same species, both being Hostile Pokémon.
  • No Trainer in the Generation V games has Zweilous. It shares this trait with Rufflet, Vullaby, Mandibuzz, and Ferrothorn.
  • Due to the fact that Hydreigon has visible eyes and a "frill" around its neck, it can be presumed that Zweilous and Deino have eyes underneath their "hoods". It is also possible that Hydreigon's "hands" were originally Zweilous's two heads.
  • Since Zweilous has only 2 wing-like appendages, it cannot fly, as opposed to Hydreigon, who must have 6 wings in order to fly properly. In the anime it has been shown capable of limited flight, however.


Zweilous is based on a two-headed dragon. Zweilous is possibly modeled after the Hydra in Greek and Roman mythology, and shares the multiple heads associated with the hydra. The black fur surrounding its heads resembles a hoodie, associated with some goth or emo trends, with its bangs resembling an emo fringe.


Its name appears to be combination of Zwei, the German word for the number 2 (referencing Zweilous' number of heads and its number on the evolution line) and jealous, since one head is always competing with the other. For instance if one head ate more than the other, the other would be jealous of the other. Also, Zweil might also came from Zwilling, the German word for twin since Zweilous has two identical heads.


See also

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