Venusaur.

[Sora_8920]

I have this set, for it:

Venusaur @:Leftovers
Trait: Overgrow
Calm/Sassy Nature
Leech Seed
Curse
Charm/Light Screen/Synthesis
Grasswhistle/Energy Ball/Leaf Storm/Sludge Bomb/Earthquake/Sleep Powder/ Hp Fire/Ice. Last two set's are for novelty, really, kinda...

 

[Samson]

this guy is pretty much one dimensional:

Venusaur @ Enigma Berry/Leftovers/Black Sludge
Relaxed/Bold Nature
216 HP/196 DEF/52 SP DEF/44 (SP ATK or ATK)
-Energy Ball
-Earthquake/Protect/Light Screen/Roar
-Sleep Powder
-Leech Seed

yup.

i know some people who do have venu with choice scarf and hp ice, but meh, he gets walled severely by steels.