What is the best nature for...?

[miraiyouko]

Okay, I know Serebii and other sites give you a list and whatnot, but I don't want to sit here and go back and forth and blah blah blah. So yeah.

What is the best nature for the following Pokemon:

Skuntank
Vaporeon
Espeon
Umbreon
Swellow, and
Swampert

No, this is not a party I'm setting up, but some of my favorites that I would like to start training for the best results possible. Please and thank you!  

[PhoenixBlade983]

Depends on moveset, and what EV you want to put in for them.  

[nitnit]

More specifically, it depends on what role you want them to do on your team.  

[Kunx990]

I was bored

Skuntank - Adamant/Jolly
Vaporeon - Bold
Espeon - Modest/Timid
Umbreon - Bold
Swellow - Adamant/Jolly
Swampert - Impish/Adamant/Careful/Relaxed

So I got this D:

 

[nitnit]

Don't totally count out skuntank, kunx my boy!  

[Kunx990]

I was bored

EDITED biggrin

So I got this D:

 

[PhoenixBlade983]

You could actually do a CB Skunktank.

Skunktank @ Choice Band
Adamant Nature
252 Attack / 252 Speed / 4 HP

-Explosion
-Night Slash
-Poison Jab
-HP [Fighting]

Choice Band Explosion can kill a lot of things.  

[miraiyouko]

Thank you, Kunx. That's all I needed to know. 3nodding