The Pokemon Chain-Link Game! (Check the OP for New Rules)

[PsychoIncarnate]

Shedinja (Plus he has more)

Has Nincada in evolution chain

 

[powuh_of_PIE]

Ninjask (that's cheating, there's no one else)

Makes good use of Swords Dance + Substitute

 

[Lemonwater]

Garchomp

Is a 4th gen fully evolved Pokemon (cannot be a basic Pokemon).

 

[powuh_of_PIE]

Infernape

Should have been in brawl instead of the Pokemon that PKT uses

 

[Lemonwater]

Mewtwo lol

Can effectively use both physical and special attacks.

 

[PsychoIncarnate]

Deoxys

Looks different depending on certain conditions in Pearl

 

[Lemonwater]

Castform

A normal-type Pokemon that doesn't evolve.

 

[powuh_of_PIE]

Kecleon

A fire-type pokemon that doesn't evolve.

 

[Lemonwater]

Entei

A four-legged Pokemon

 

[powuh_of_PIE]

Houndoom

A pokemon that uses fewer legs when it evolves

 

[Lemonwater]

Golbat

A Pokemon that can Haze

 

[powuh_of_PIE]

Weezing

A Pokemon that can use Explosion/Selfdestruct

 

[peregrine monkey]

Gengar

A pokemon that learns sludge bomb naturally.

 

[Lemonwater]

Muk

A Pokemon that learns Acid Armor

 

[PsychoIncarnate]

Vaporeon

Pokemon that evolves with a stone

 

[Cease Tick]

Togekiss
likes to hax you

 

[Lemonwater]

Jolteon

Learns Pin Missile

 

[PsychoIncarnate]

Beedrill

pokemon with

body shape/ style

 

[Lemonwater]

Venomoth

A Pokemon who can learn Psychic (and it doesn't make sense why it does).

 

[PsychoIncarnate]

Spinarak

Pokemon that looks like it has a face on it, that isn't really it's face

 

[M.K]

Dusknoir.

Pokemon introduced as an evolution in a later generation than TWO of it's preveoltuons

 

[Lemonwater]

Electivire

Is an Electric type that can learn some Fighting moves.

 

[PsychoIncarnate]

Yay! I get to use

Ampharos!!!

A light pokemon (Species type)

Edit: I accidently counted Fire Punch as a fighting type...

He can unnaturally learn Focus Punch though

He can also be tutored Dynamic Punch and Seismic Toss

 

[Cease Tick]

Ampharos (he's the only one...)
learns power gem

 

[Lemonwater]

Starmie

A Pokemon that weighs less than 200 pounds.

 

[PsychoIncarnate]

Ampharos (he's the only one...)
learns power gem

No, Ampharos is NOT the only Light Pokemon

http://bulbapedia.bulbagarden.net/wiki/Lanturn_(Pokémon)

Lanturn is also a Light Pokemon

 

[Wrath`]

Starmie

A Pokemon that weighs less than 200 pounds.

Swablu

Dies easily

 

[Cease Tick]

Smeargle
Is the core of a certain type of team.
Sorry about Ampharos, I'd have never guessed...

 

[A_man13]

Aboamasnow (hail teams)

4x weak to fire

 

[Lemonwater]

Scizor

Has a massive attack stat and learns priority moves.

 

[Cease Tick]

Metagross
learns pursuit

 

[Lemonwater]

Umbreon! =D

A Pokemon that has good defense and special defense.

 

[powuh_of_PIE]

Bronzong

A Pokemon that has the ability Levitate

 

[Lemonwater]

Haunter

An awesome Pokemon

 

[PsychoIncarnate]

Missingno.

A Flying type that has water moves

 

[Lemonwater]

Gyarados

A Pokemon that's easy to obtain but is still good (no swarms, trading, after national dex stuff, and no legendaries)

 

[Da-D-Mon-109]

Alakazam (Abra's aren't hard to get). Another 3rd Stage Pokemon (Abra, Kadabra, Alakazam).

 

[ComradeCanada]

Dragonite
A significant NPC uses an illegal version of this pokemon in-game.

 

[PsychoIncarnate]

Mr. Mime (Sabrina has a female one)

Owned by a gym leader that is in games (4 counting stadium)

 

[Lemonwater]

Ariados (Koga has one)

Another nearly useless bug type Pokemon