This'll be fun....

Generation 1
Medapod/Kakuna-STOP. USING. HARDEN. DAMMIT.
Rattata/Raticate- I don't know what it is, they just piss me off
Jigglypuff- Specifically a certain jigglypuff near mt. moon that spams sing(or was it near bills house?), killing your entire party
zubat/Golbat- they just look stupid
Tangela/WRAP SPAM

Generation 2
Dunsparce- Its stupid looking and it doesn't evolve
(wow, thats it? I surprised myself here)

Generation 3
wurmple/silcoon/cascoon/beautifly/dustox- TOO MANY EVOLUTIONS DFSGFDHHYJUJKYUJ
Shiftry- No. Just no. Those arent legs. You have no hands. What the hell? Blaze kick *burns* mwahahaaha
Slakoth/Slaking- *whiney noise* why won't you attack every tuuuuurrnn.
Nosepass- *smacks a nosepass*
Sableye- Stupid wonderguards....
Grumpig- Spoinks cooler even though I don't want one
Spinda-Those aren't eyes. stop using teeter dance. I need another blaze kick.
Corphish/Crawdaunt- I don't like them, i don't know if its their stupid face or because of the elite four, i don't like them
Baltoy/Claydol- They just piss me off, I don't have anything to say about them
Lileep/Cradily- See above

*Cracks Fingers* heres where the fun part begins

Generation 4

Chimchar/Monferno/Infernape- The reason why I didn't have a fire starter in Platinum
Bidoof/Bibarel- Hate...growing....must....skip...
Kricketot/krickitune- stop existing please
getting bored now, sinnohs gonna make this take forever
#408-428 national dex
skip Mismagius
#430-438
Skip mime jr.
#440and 441
Ok now its spiritomb, same has sableye. god damn wonderguards
#449-469
#472-474
Probopass-see nosepass
Manaphy-Phione- Legendaries cant cant do that! Witchcraft!
Phew that was fun /sarcasm