If they have a regional, GMAX, or an exclusive z-move, they aren't up for consideration for me (not all Pokemon in a generation will get one, remember this before you complain). I am also only going up to Kalos, sorry not sorry
Kanto:
Fearow
Arbok
Clefable
Parasect
Venomoth
Golduck
Machamp
Victribell
Dragonite
Johto:
Meganuim
Typhlosion
Feraligator
Furret
Ariados
Crobat
Lanturn
Azumaril
Slowking
Heracross
Kingdra
Gen 3:
Flygon
Gen 4:
Torterra
Infernape
Empoleon
Staraptor
Bibarel
Roserade
Floatzel
Gastrodon
Ambipom
Mismagius
Hunchcrow
Weavile
Magnezone
Rhyperior
Electrivire
Magmortar
Gliscor
Gen 5:
Serperior
Emboar
Samurott
Liepard
Gigalith
Excadrill
Whimsicott
Liligant
Krookodile
Zoroak
Cinccino
Gothitelle
Reuniclus
Kalos:
Chesnaught
Delphox
Talonflame
Florges
Gogoat
Pangoro
Aegislash
Gourgiest
Noivern