Not a type but Sudowoodo is good
Electric types and Grass types.
Yes, it can be done.
Ground type Pokemon can beat Electric type Pokemon easily.
Nothing else does x2 or more damage against purely electric pokemon, but electric moves only do half damage to dragon, electric, and grass pokemon.
you beat bird pokemon with electric pokemon
Really, any Pokemon can beat a water Pokemon if its strong enough but the easiest way is to use a grass or electric type that has a same or greater level than the water type.
for poison it's ground. for water it's either electric or grass.
you have to have an electric dragon/ice and if you want a water
eletric can beat water , flying and i cant not be bothed to asnwer not very much effect and has no effet i suggest get the pokemon guide book
train in victory road until your party is about level 60 average. Have a water, fire, and grass/electric (or both) pokemon.
Fire type Pokemon or fire type moves beat electric Pokemon.
Use fire,electric,water,ground/dragon, and fighting