→ Keep in mind, just because a Pokémon isn't listed below doesn't mean it can't be claimed. It just means nobody has claimed it yet. I'll be adding Pokémon to the list as they are claimed, instead of listing them all at the start.
A
Absol → Ecks-Dee, Lynnx
Aerodactyl → msdfabio, +~Dark Umbreon~+
Aggron → Doctortux
Aipom → tharles
Altaria → Lynnx
Arcanine → Arcanine, GavZ
Arceus → Neo Groudon
Articuno → Insomniac
Azelf → Doctortux
B
Bannete → Kurausu Varuka
Beautifly → Oh, The Places You'll Go.
Bibarel→ Missingno.7-4468
Blaziken → Crusher 1
Buizel → ShinjisLover
Butterfree → Warped Reflection
C
Charizard → Autumn, Feign, inukid
Cherrim → Lightning, .Fukari
Chikorita → Zuzu
Chimchar → Apollo Wildhart
Chimecho → Nomicro4u
Claydol → tharles
Clefable → Jake♫
Cleffa → Aegis
Cloyster → Laichuu
Crobat → Cooltrainer_Mike
Cubone → HHcJJ
Cyndaquil → Apollo Wildhart, Zuzu
D
Darkrai → HirakuNoShadow, LordBlumiere
Dialga → Twilight Requiem, Todoroki Is
Donphan → Lash
Dragonair → Inkfingers
Dragonite → Arcanine, Feign, A n d y
Drifblim → Ibuberu, Blue_Drifblim
Drowzee → HHcJJ
E
Eevee → Nomicro4u
Empoleon→ Autumn Star, Missingno.7-4468, Dragonqueen0210
Espeon → Jake♫, *Lanee
Entei → Switchback
F
Feebas → Ibuberu
Feraligatr → dark_giratina
Flareon → Boney, ~SilverSoul
Flygon → Feign, Todoroki Is
Froslass → Dragonqueen0210, Blue_Drifblim
Furret → Spicy
G
Gabite → Aurincha
Gallade → Inkfingers
Garchomp → msdfabio
Gardevoir → Zanny77, parallelines
Giratina → Twilight Requiem, HirakuNoShadow
Glaceon → Dragonqueen0210, quisestquilava_1, parallelines, *Lanee
Gliscor → Jake♫
Growlithe → Boney
Groudon → Neo Groudon
H
Haunter → HHcJJ
Honchkrow → Crusher 1
I
Infernape → pokeman23
Ivysaur → Solovino
J
Jigglypuff → Sonic Thrust
K
Kingdra → Cooltrainer_Mike
Kricketot → kricketunelullaby
Kricketune → kricketunelullaby
L
Larvitar → ~SilverSoul
Latios → 乚☆丁工回己❀
Leafeon → Autumn Star
Loudred → Passionfruitt
Lucario → Ecks-Dee, pokeman23
Lugia → Ecks-Dee
Luxray → .Wolfie-kun.
M
Magby → .Silence
Magikarp → Phantom Renegade
Magmortar → dark_giratina
Magnezone → quisestquilava_1
Manaphy → Zuzu
Marowak → lolwut
Masquerain → Phantom Renegade
Mawile → Purple.
Meganium → Lynnx
Metagross → dark_giratina
Mew → inukid
Mewtwo → Phantom Renegade
Milotic → Arcanine
Mismagius → parallelines
Monferno → .Silence
Mudkip → Mudkipblader
Muk → Crusher 1
N
Nidorino → Solovino
Ninetale → Inkfingers
Nosepass → Sonic Thrust
O
Onix → Boxiii
P
Palkia → Sonic Thrust, Twilight Requiem
Pichu → Lightning, .Silence, Todoroki Is, dream's-epilogue, Kerjo, ~SilverSoul
Pidgeot → Missingno.7-4468
Pikachu → inukid, .Fukari, dream's-epilogue
Politoed → Lash
Poliwrath → lolwut
Porygon → Insomniac
Probopass → Lightning
Purgly → chaos11011, Lost
Q
Quilava → Lash, Warped Reflection, quisestquilava_1, Kerjo
R
Raichu → ShinjisLover, dream's-epilogue
Raikou → 乚☆丁工回己❀
Rapidash → Insomniac, Aurincha
Rayquaza→ Mudkipblader
Regigigas → HirakuNoShadow
Rotom → GavZ
S
Sableye → Kurausu Varuka
Salamance → GavZ
Scizor → Mage
Scyther → Cooltrainer_Mike, Solovino
Shaymin → .Fukari, Neo Groudon
Skitty → Oh, The Places You'll Go.
Skuntank → chaos11011, Lost
Spheal → Aegis
Starmie → Oh, The Places You'll Go., 乚☆丁工回己❀
Steelix → Boxiii
Suicune → .Wolfie-kun.
Surskit → kricketunelullaby
Swampert → pokeman23
Swellow → tharles
T
Togekiss → Aegis
Torterra → ShinjisLover
Toxicroak → chaos11011, Lost
Tropius → Spicy
Typhlosion → Mudkipblader, Apollo Wildhart
Tyranitar → Mage, Purple., A n d y
U
Umbreon → Mage, Zanny77, *Lanee
V
Vaporeon → UraharaSteph
Vulpix → Boney, Zanny77
W
Wartortle → Kerjo
Weavile → Purple., .Wolfie-kun.
Weezing → lolwut
Wobbuffet → Blue_Drifblim
Wynaut → Nomicro4u
X
Xatu → Laichuu
Y
Yanmega → Spicy
Z
Zapdos → msdfabio