What Pokémon is the above user?

[Chrono]

Haunter

[Ad Bot]

[Wynd_Fox]

Celebi or Dialga.

[Cargøn]

Quagmire

[Joker Card]

ditto
Well this is easy.

[HerpaDerp]

Snorlax

[VincentTheGuy]

Slowpoke

[Cucumber!]

Porygon!

[MunkeyCheez]

snorelax

[Freek]

Mankey

[jarelash]

Koffing

[Cool Boi]

loudred

[BanishedLetters]

Uhhhh

Squirtle

[Isaac Fox]

Obviously not Zangoose.

[Joltarn]

Golduck

[Isaac Fox]

I'm guessing it's called "Seedos"?