1st gen:
Nidoran F, Oddish, paras, Diglett, Meowth, Machop, Tentacool, Magnemite, Doduo, Grimer, Voltorb, Koffing, Mr. Mime, Tauros, Porygon
2nd gen:
Hoothoot, Natu, Sudowoodo, Hoppip, Aipom, Wooper, Unown, Girafarig, Pineco, Snubbull, Teddiursa, Slugma, Phanpy, Smoochum, Miltank
3rd gen:
Zigzagoon, Nincada, Whismur, Makuhita, Nosepass, Meditite, Electrike, Illumise, Gulpin, Numel, Torkoal, Spoink, Spinda, Corphish, Castform, Kecleon, Duskull, Snorunt, Clamperl, Relicanth, luvdisc, beldum
4th gen:
Shellos, Glameow, Stunky, Bronzor, Bonsly, Mime Jr., Hippopotas, Carnivine, Finneon, Phione