The pokémon that makes you rage the most?

Basicly, that one pokémon that even though you created a team of counters to it still is just able to screw you over anyway. That pokémon that is just so freaking annoying when it shows up in battles.

Mine are:

UU: Suicune and Ambipom
OU: Ninetales (I have one rock type and one water type and I still can't do anything to drought teams, especially Ninetales), sometimes Salamence

o.o I hear ya.

Fire+Fighting types. I can easily take them on if they were separate, but this is like the devil to me. eg, Blaziken, Infernape

1. Gengar. Everytime I see one, I just wish I was running Gravity so I could mangle him with an earthquake.

2. Ninjask - We both know what your doing. You're going to protect, I'm gonna try to kill em, but eventually you'll baton pass. I'll predict and either mangle your switchin, or get wrecked by the new and improved lightning fast pokemon.

3. Dragonite - dear god, Even if I switch, I'm probably gonna get swept. One Dragon Dance = 50%, 2 = 0% chance of winning unless i'm running something fast.

4. Volcarona - for some reason, I forget he doesn't have Levitate...so I don't earthquake.

I swear, Drillbur wrecks me so hard, it's not even funny.

Rotom-W is very annoying and I find it to be very hard to play around, due to Volt Switch penalizing me for each switch I make. Rotom-W [and in turn, Scizor] is the main reason I have Flamethrower on my Blissey.

I really hate going against Gliscor. It takes physical hits almost as well as Skarmory can and the Protect + Poison Heal combination just makes it harder to take down.

My friends Breloom with spore... I despise that thing... And his Cloyster too....

Latias.

Takes hits like a champ and outruns everything I think I've ever used except Scarf Chandelure and Scarf Darmanitan.

Scarf Darmanitan himself would be one, but no one seems to use him. It's too bad. He's such a beast...

Fast Pokemon mostly because my teams are mostly focused on speed and Sp.atk (and atk) but I sometimes have a wall , then the opponent uses a faster pokemon than mine and sweeps. :(

Annoyers and Hazers such as Vaporeon (Which I use lol) because you work hard for the stat raises and then all of a sudden you are S.O.L and they have that chance to counter you

1.Gengar,just ridiculous,sweeps half a team on his own.
2.Excadrill,this guy is a cheater i swear.
3.Jirachi/Espeon can't decide who is more annoying Espeon's abillity and resilience or Jirachi's typing and stupid flinch.

I don't battle competitively, but I hate going against Umbreon. The thing walls me so easily, with the Curse/Double Team combo.

Terrakion

All legendaries, in my opinion, should be banned to use on the Battle Subway and online. This one's the worst if I don't hit him in time, that cheap Beat up Justified rockslide tactic kills 3 of my team members before I can take him out.

Walrein
For some reason, this thing using stockpile can get me to lose alot if I don't have an appropriate attack to hit it with.

Poison Heal Gliscor, Multiscale Dragonite...both of them are really annoyed sometimes

scarf genesect, tough annoying bastard.