It is a common occurrence for Pokémon to have more than one type, alluding to their appearance or mannerisms but there are some that only have one. Throughout the entire Pokémon universe, most of the strongest fully-evolved Pokémon have 2 type-matchups, giving more variety to battles than just linear water vs fire, for example. This can allow for tactical approaches to battles, working around strengths and weaknesses or just simply exploiting them.
While there are some Pokémon that have received regional variants, from Galar and Alola, to give them additional or alternative types, there are still many that have remained with just the one type.
10 Eelektross Is An Eel But Not A Water Type
All 3 Pokémon in the Tynamo line resemble an electric eel. Across all the games, roughly half of the Pokédex entries for Eelektross refer to it emerging from the Ocean. Therefore, it would make sense for it to follow all other ocean-dwelling Pokémon and be a part Water-type.
Electric and Water are conflicting types but it is a combination that has occurred before, with Chinchou and Lanturn in the Gold and Silver games.
9 Glalie's Rocky Core Could Have Been A Second Typing
Glalie essentially looks like it is just pure ice so it arguably doesn’t need a second type. However, in a small number of its Pokédex entries across all the games, it is implied that Glalie’s body at its core is or was made of rock. Glalie is unable to learn Rock-type moves but curiously it can learn several ground-type moves.
Another alternative for a second type for Glalie could be dark-type. The black in its design really gives it a menacing look and the fact that it can learn several Dark-type moves mean that it could be a perfect fit.
8 Polteageist: Not Using Tea For Water Attacks Is A Missed Opportunity
This Galar-native Pokémon is mysterious with clear inspirations from British culture and their love of tea. Polteageist are known to attack other Pokémon with tea, which technically would mean that it could use Water-type moves, at least to some extent.
Being a dual Water and Ghost-type would certainly be a help for Polteageist. It would give it more opportunities for its moves to be super-effective in battle but it would similarly cause more problems, when facing electric and grass-type moves for example.
7 Florges Is A Flower But Not A Grass-Type
Simply put, Florges is a flower Pokémon that isn’t a grass-type. This is somewhat unheard of in the Pokémon series, with grass and poison being assigned to flower-like Pokémon more often than not. While it makes sense for it to be solely Fairy-type as a shiny stone is required to evolve a Floette into it, it is able to learn several Grass-type moves, making grass a logical choice for a second type.
6 Fighting-Type Suits Pinsir With Its Aggressive Nature
Although Mega-Pinsir is given a Bug-flying type combination, ordinary Pinsir is just a bug Pokémon. From reading all of its Pokédex entries in the games, Pinsir’s strength, attacking prowess, and chaotic nature are consistently highlighted, making it an obvious candidate to be a fighting-type Pokémon.
Comparisons can be made to its Johto counterpart Heracross, which happens to be a bug-fighting Pokémon. However, Pinsir can actually learn more Fighting-type moves than Heracross and its own Fighting moves grossly outweigh its Bug-type moves. While the combination does give it more type weaknesses, it also gives it resistance to more types.
5 Goodra Literally Has Sludge Dripping From It But Isn't A Poison Type
Regarded as a Pseudo-legendary Pokémon in Generation VI, the fact that Goodra doesn’t have a second type is surprising. This isn’t even because there are no options for this second typing, as there is an obvious choice, Poison.
Goodra literally has goo in the name, with its various Pokédex entries elaborating on its slime-covered body and it is known to ooze gooey tears. Goodra can also learn a number of Poison-type moves like Sludge Bomb and Sludge Wave. Poison and Dragon is an interesting type combination, as seen elsewhere with Dragalge, and Goodra should undoubtedly have been another to have this match-up.
4 Psyduck And Golduck Have Explosive Telekinetic Headaches But Not Considered Psychic Types
The fact that Psyduck and Golduck are not Psychic-types has baffled fans for years. In the anime and in all of its Pokédex entries in the games, Psyduck’s headaches are known to eventually erupt into powerful Psychic-type moves.
Golduck is no different. The red part of its head glowing and unleashing telekinetic powers is also alluded to in Pokédex entries, albeit not to the same extent as Psyduck. Both Pokémon can learn several of the key Psychic-type moves so a water-psychic combination would make sense. It would triple its type weaknesses but would also give it resistance to more types.
3 Bellossom Is Unofficially A Fairy-Type
Bellossom is another instance of a Pokémon being in a generation too early for a new type that would be perfect for it, Fairy-type in this case. However, Pokémon such as Clefairy and Clefable were given fairy as a typing when available so it begs the question of why the same couldn’t have been done with Bellossom.
Its general aesthetic and demeanor, not to mention it learning Fairy-type moves like Dazzling Gleam and Moonblast are why it should have a fairy-grass combination. Bellossom being evolved by using a Sun Stone on a Gloom could be a reason why it wouldn’t be a Fairy-type but that could well have been worked around.
2 Milotic Could Easily Have Been Fairy Or Dragon
There are several similarities and alignments between Magikarp and Feebas or Gyarados and Milotic. Both original forms are seriously weak and difficult to level up in the games, but the reward at the end is a strong addition to anyone’s team, in both instances. However, the similarities stop at dual-typing. Gyarados has Flying and Water but Milotic is just a Water-type.
It certainly has the looks and presence to be a Dragon-type, and it can learn Dragon Tail and Dragon Dance among other moves. However, it also possesses the grace and elegance that most Fairy-type Pokémon have. Neither additions would give Milotic too many additional weaknesses, so it’s a wonder it was never considered.
1 Blastoise's Size And Strength Could Definitely Pack A Punch With Fighting-Type Moves
As the two other Kanto starter lines end up with strong dual-type Pokémon, it seems only fair that Blastoise should have had the same treatment. The main issue with this is that the type that makes the most sense without changing Blastoise’s character design would be Steel because of the cannons, but that is a type that is not available in the original generation of games.
Making Blastoise part Dragon or Ice would seem forced unless changes were made to its design. However, due to its considerable size and power, Fighting could also ultimately be applicable to this strong Pokémon.