#2.18
Ivysaur/Pidgeot
2.18
#18.2
Pidgeot/Ivysaur
18.2

67(-8)
HP
75(+8)
74(+6)
ATK
68(-6)
71(+4)
DEF
67(-4)
76(+3)
SP.ATK
73(-3)
76(+3)
SP.DEF
73(-3)
80(+10)
SPEED
70(-10)
444(+18)
TOTAL
426(-18)

Regular
Reg.
Tangled Feet: Has double evasion when confused.
Keen Eye: Accuracy can't be lowered.
Overgrow: When it has 1/3rd or less max HP, Grass-type moves have 1.5x power.
Hidden
HA
Big Pecks: DEF can't be lowered by other Pokémon.
Chlorophyll: SPEED is doubled in sunny weather.

x4
Ice
-
x2
FireFlyingPoisonRock
ElectricIcePsychicRock
x1
BugDarkDragonElectricFairyGhostNormalPsychicSteel
DarkDragonFireFlyingGhostNormalSteelWater
x0.5
FightingWater
FairyPoison
x0.25
Grass
BugFightingGrass
x0
Ground
Ground

#1
Bulbasaur
1
Lv.16
#2
Ivysaur
2
Lv.32
#3
Venusaur
3
#1
Bulbasaur
1
Lv.16
#2
Ivysaur
2
Lv.32
#3
Venusaur
3
#16
Pidgey
16
Lv.18
#17
Pidgeotto
17
Lv.36
#18
Pidgeot
18
#16
Pidgey
16
Lv.18
#17
Pidgeotto
17
Lv.36
#18
Pidgeot
18

Pallet Town (starter) (gift), Cerulean City (trade), Viridian River (static)
Pokemon: 1
Evolve Bulbasaur (Lv16)
Pokemon: 2
Evolve Ivysaur (Lv32)
Pokemon: 3
Route 1, 2, 3, 5, 6, 7, 8, 12, 13, 14, 15, 24, Celadon City, Secret Garden, Viridian Forest
Pokemon: 16
Navel Rock (static), Route 13, 14, 15, 21, 23, 29, 30, 31, 34, 35, 36, 37, 43, Berry Forest, Celadon City, Hidden Forest, Lake of Rage, Viridian River, Evolve Pidgey (Lv18)
Pokemon: 17
Route 23, Evolve Pidgeotto (Lv36)
Pokemon: 18