#183.204
Marill/Pineco
183.204
#204.183
Pineco/Marill
204.183

63(+7)
HP
56(-7)
50(+15)
ATK
35(-15)
76(+13)
DEF
63(-13)
25(-5)
SP.ATK
30(+5)
45(+5)
SP.DEF
40(-5)
23(-8)
SPEED
31(+8)
282(+27)
TOTAL
255(-27)

Regular
Reg.
Sturdy: Can't be 1-hit KO'd at full HP.
Huge Power: Its ATK stat is doubled.
Thick Fat: Takes 0.5x damage from Fire and Ice-type moves.
Hidden
HA
Overcoat: Doesn't take damage from weather.
Sap Sipper: Absorbs Grass-type moves for an ATK stage.

x2
ElectricFlyingRock
FireFlyingPoisonRockSteel
x1
BugDarkDragonFairyFireGhostGrassNormalPoisonPsychic
ElectricFairyGhostIceNormalPsychicWater
x0.5
FightingGroundIceSteelWater
BugDarkGrassGround
x0.25
-
Fighting
x0
-
Dragon

#252
Azurill
252
Lv.15
#183
Marill
183
Lv.18
#184
Azumarill
184
#252
Azurill
252
Lv.15
#183
Marill
183
Lv.18
#184
Azumarill
184
#204
Pineco
204
Lv.31
#205
Forretress
205
#204
Pineco
204
Lv.31
#205
Forretress
205

Kanto Daycare (gift)
Pokemon: 252
Viridian River, Evolve Azurill (Lv15)
Pokemon: 183
Mt. Mortar (static), Mt. Mortar, Viridian River, Evolve Marill (Lv18)
Pokemon: 184
Pewter City (gift), Route 30 (quest), 31 (quest), Route 43, Ilex Forest, Lake of Rage, Viridian River
Pokemon: 204
Evolve Pineco (Lv31)
Pokemon: 205