Electabuzz

Normally found near power plants, it can wander away and cause major blackouts in cities.

Thundershock (10): Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Thunderpunch (30): Flip a coin. If heads, this attack does 30 damage plus 10 more damage; if tails, this attack does 30 damage and Electabuzz does 10 damage to itself.