Wow, way to use an evolved Pokemon after i send in a bunch of first-stage stuff. >:( 8-rank defense, huh? Shroomish is gonna give this a try, I suppose.
in case your PM is GONEEEE

Shroomish [Turtle] (♂)
Nature: Adamant (+ * to Attack, -* from Special Attack)
Type: Grass
Grass: Grass STAB; Immunity to Leech Seed, Growth, Moonlight, Morning Sun, Nature Power, Sunny Day, Sweet Scent, and Swords Dance have have Energy Cost reduced by one (1).
Stats:
HP: 90
Atk: *** (+)
Def: **
SpA: * (-)
SpD: **
Spe: 35
EC: 0/6
MC: 0
DC: 0/5
Abilities:
Poison Heal: (Innate) Pokemon with this ability have internal structures that absorb the toxins in poison and uses them to recover two (2) HP/action instead of taking poison damage. Their Toxic counter will still go up should their ability be disabled.
Effect Spore: (Can be disabled) This Pokemon has a stockpile of defensive spores which it realeases on opponents who strike with contact attacks. There is a 10% chance each of poison, paralysis, and sleep.
Technician (DW): (Innate) This Pokemon is more skilled at performing weaker moves, causing any of their attacks that normally deal 6 or below base damage to have their base damage multiplied by 1.5. (e.g. Aerial Ace goes from 6 to 9, Mach Punch goes from 4 to 6, etc.) The Energy Cost for a one-hit or two-hit attack is increased by one (1). Each hit in a multi-hit move is boosted by one (1) damage, and the Energy Cost for multi-hit attacks is increased by two (2).
Attacks:
Absorb
Tackle
Stun Spore
Leech Seed
Mega Drain
Headbutt
PoisonPowder
Spore
Bullet Seed
Drain Punch
Focus Punch
Bullet Seed
Substitute
Swords Dance
Start off with the obvious Spore on him. Create a 15 HP Substitute, and then Focus Punch.