Odd One Out

[Nah]

Golbat is the only one that didn't get a type change in a generation after it was introduced.

Ralts, Gible, Magmar

 

[Sonata]

Magmar is the only one whose final form doesn't have a mega evo.

Exploud, Raticate, Linoone

 

[Chaos_Darkrai]

Exploud, it is the only final form to have to evolve twice!

Xerneas, Yveltal, Zygarde

 

[Judge Mandolore Shepard]

Zygarde has not been a version mascot yet

Venusaur, Charizard, Blastoise

 

[Seth Rollins]

Charizard is the only one that is dual typed.

Piplup,Croconaw, Blastoise

 

[Sonata]

Piplup is the only one that evolves into a dual type.

Dustox, Beautifly, Butterfree

 

[Chaos_Darkrai]

Dustox, because it is the only Bug/Poison type of the three. The other two are Bug/Flying types!

Dialga, Palkia, Giratina

 

[Nah]

Giratina is the only one with a form change.


Arcanine, Chandelure, Magmortar.

 

[Chaos_Darkrai]

Chandelure, because it is the only dual typed from the trio.

Mew, Celebi, Jirachi

 

[orangeralts21]

Golbat is the only one that didn't get a type change in a generation after it was introduced.

Exactly the answer I was looking for.

Mew is the only single typed pokemon.

Medicham, Charizard and Quagsire

 

[Judge Mandolore Shepard]

Quagsire does not have a Mega Evolution

How about Spiritomb, Shinx, and Garchomp

 

[Sonata]

Spiritomb is the only one that has no weakness prior to gen 6.

Ludicolo, Shiftry, Cacturne

 

[waveguidebuizel]

Cacturne isn't hairy.

What about Cranidos, Nosepass, and Onix?

 

[Fernbutter]

Cranidos came from a fossil.

Ditto, Mew, or Clefable?

Spoiler:

Hello

 

[destinedjagold]

Clefable can't transform (I think)

Spearow, Hoothoot, and Taillow

 

[CliCliW]

Tallow is the only one that's blue.

Rhydon, Bulbasaur, Aracanine

 

[classiccartoonsftw]

Bulbasaur hasn't evolved yet.

Meganium, Sceptile, and Serperior

 

[Nah]

Meganium, since it doesn't learn Leaf Blade.


Minun, Dedenne, Tynamo.

 

[Juno]

Dedenne is the only one with a dual-type.

Beautifly, Butterfree and Vivillon?

 

[Hawkman32]

Vivillon- has formes.

Dedenne, Raticate, and Chimchar