Gengar has four weaknesses. It is weak to Dark, Ghost, Ground, and Psychic. If it has the ability Levitate, then it is immune to Ground.
dark
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There is no Pokemon Thunder Yellow version for the PC, you would have to have a ROM and an Emulator (which is a copyright violation, and not discussed here).
fire is Mr mimes weakness
what it means is that you can put four burn, poison, sleep, paralize, or confusoin counters on the attacing Pokemon
guys i think pysic pokemons had weakness to normal type normal Pokemon have a weakness to physic Pokemon Kulmblach789 Pysic Poke have a weakness to dark ATks
Dark Pokemon are Psychic Pokemon's weakness.
94
There is no Pokemon Thunder Yellow version for the PC, you would have to have a ROM and an Emulator (which is a copyright violation, and not discussed here).
The weakness of electric type Pokemon is ground type Pokemon.
Rock Pokemon's weakness is water types so in the game choose the water starter
its only weakness is dragon
The weakness of flying type Pokemon is Ice, Electric and Rock.
Ground is electrics only weakness.
there weakness is Grass,water and rock
As of Generation 5 only the pokemon Spiritomb has no weakness because of the dual-type Ghost/Dark.
The weakness of Mightena is Fighting And Bug types Pokemon!!
You can find umbreon in the temple where you catch requaza(sorry about the spelling)in the ruins whare the 3 Gengars are and in the room before the one you catch flareon in.