#109.239
Koffing/Elekid
109.239
#239.109
Elekid/Koffing
239.109

41(-2)
HP
43(+2)
63(-1)
ATK
64(+1)
56(-19)
DEF
75(+19)
61(-2)
SP.ATK
63(+2)
48(-3)
SP.DEF
51(+3)
75(+20)
SPEED
55(-20)
344(-7)
TOTAL
351(+7)

Regular
Reg.
Static: On contact, the attacker has a 30% chance to be paralyzed.
Levitate: Immune to Ground-type moves, Spikes, Toxic Spikes, and Arena Trap.
Hidden
HA
Vital Spirit: Cannot be asleep and Rest fails.
Stench: Damaging moves have a 10% chance to make the target flinch.

x4
Ground
x4
x2
Psychic
x2
x1
DarkDragonFireGhostIceNormalRockWater
x1
x0.5
BugElectricFairyFightingFlyingGrassPoisonSteel
x0.5

#109
Koffing
109
Lv.35
#110
Weezing
110
#109
Koffing
109
Lv.35
#110
Weezing
110
#239
Elekid
239
Lv.25
#125
Electabuzz
125
Electirizer
or Lv.50
#267
Electivire
267
#239
Elekid
239
Lv.25
#125
Electabuzz
125
Electirizer
or Lv.50
#267
Electivire
267

Celadon City, Pokemon Mansion
Pokemon: 109
Burned Tower, Pokemon Mansion, Evolve Koffing (Lv35)
Pokemon: 110
Kanto Daycare (gift), Celadon City (trade)
Pokemon: 239
Power Plant (static), Power Plant, Evolve Elekid (Lv21)
Pokemon: 125
Evolve Electabuzz (Lv50 or Electirizer)
Pokemon: 267