Odd One Out

[DyingWillFlareon]

Dargonair is the only one available in all games at least through trading.

Deerling, Snivy, Foongus

 

[Meadow]

Snivy is the only starter.

Sceptile, Meganium, Serperior

 

[DyingWillFlareon]

Meganium is the only one without a long grassy tail.

Faaffy, Doduo, Garchomp

 

[Meadow]

Garchomp is the only one that is fully evolved.

Venusaur, Volcarona, Wormadam

 

[Percy]

Wormadam is the only Pokemon there who's name do not start with V.

Dialga, Palkia, and Giratina.

 

[DyingWillFlareon]

Giratina was the only one banished.

Squirtle, Machop, Turtwig the turtles tho

 

[Meadow]

Machop isn't a turtle. xDDD

Charmander, Helioptile, Litleo

 

[KittiOcelotti]

Helioptile isn't a fire type


Charmander, Treeko, Piplup

 

[Pendraflare]

Treecko doesn't have a second type with its final evolution. Either that or Piplup isn't in the Monster Egg Group.

Geodude, Onix, Roggenrola

 

[Lycanthropy]

Roggenrola doesn't have the Ground type.

Plusle, Pachirisu, Dedenne

 

[Meadow]

Dedenne is the only Fairy-type.

Pichu, Riolu, Azurill

 

[Tsutarja]

Pichu is the only one without any blue.

Pyroar, Farfetch'd, Sudowoodo

 

[Master Kavar]

Farfetch'd is the only one with no evolution
Gastly, shuppet, duskull

 

[Meadow]

Gastly is the only Poison-type.

Wynaut, Smoochum, Mime Jr.

 

[bunny24680]

Smoochum, as it is the only one with Ice type joined with psychic....

Try this: Unown, Jolteon, Feraligatr.......

 

[Lycanthropy]

Unown is the only one without legs.

Magnemite, Elekid, Joltik

 

[TheFunnyFeraligator]

Joltik is not from generation 1 genwunners

This one is about names.
Dragalge, Dragonite, Druddigon

 

[DyingWillFlareon]

Druddigon doesn't end in 'e'.

hmm i used up everyon i know from pokespe i think

Kangaskahn, Chespin, Hitmontop

 

[Lycanthropy]

Joltik is not from generation 1 genwunners
Dragalge, Dragonite, Druddigon

Elekid is neither. ;P


Going on, Kangaskhan is the odd one out, because it's the only Pokémon actually consisting from two.

Magikarp, Buneary, Hoppip

 

[DyingWillFlareon]

Hopip is the only one with a three stage evo.

Flabèbè, Gastly, Haunter