#95.100
Onix/Voltorb
95.100
#100.95
Voltorb/Onix
100.95

36(-2)
HP
38(+2)
35(-5)
ATK
40(+5)
86(-37)
DEF
123(+37)
38(-8)
SP.ATK
46(+8)
48(-3)
SP.DEF
51(+3)
90(+10)
SPEED
80(-10)
333(-45)
TOTAL
378(+45)

Regular
Reg.
Static: On contact, the attacker has a 30% chance to be paralyzed.
Soundproof: Immune to sound-based moves.
Sturdy: Can't be 1-hit KO'd at full HP.
Rock Head: Doesn't take recoil damage.
Hidden
HA
Aftermath: When knocked out by a contact move, the attacker loses 1/4th max HP.
Weak Armor: After hit by a physical attack, this Pokémon's DEF is lowered and SPEED rises one stage.

x4
Ground
-
x2
FightingGrassWater
GrassGroundIceWater
x1
BugDarkDragonFairyGhostIcePsychicRockSteel
BugDarkDragonFairyFightingFireGhostNormalPsychic
x0.5
ElectricFireNormalPoison
FlyingPoisonRockSteel
x0.25
Flying
-
x0
-
Electric

#95
Onix
95
Metal Coat
or Lv.40
#208
Steelix
208
#95
Onix
95
Metal Coat
or Lv.40
#208
Steelix
208
#100
Voltorb
100
Lv.30
#101
Electrode
101
#100
Voltorb
100
Lv.30
#101
Electrode
101

Mt. Mortar (static), Mt. Moon, Mt. Silver, Rock Tunnel, Union Cave, Victory Road
Pokemon: 95
Mt. Silver, Mt. Silver Base, Union Cave, Victory Road, Evolve Onix (Lv40 or Metal Coat)
Pokemon: 208
Vermillion City (trade), Power Plant (static), Route 9, 10, Power Plant
Pokemon: 100
Cinnabar Island (trade), Power Plant (static), Cerulean Cave, Power Plant, Evolve Voltorb (Lv30)
Pokemon: 101