Go in any pokemart and check the little paper near the cashier press A on the little lines and put in "LINK TOGETHER WITH ALL" you can easily find each word by pressing either start or select to search each letter individually.
Steel type does not exist in leaf green.
Megahorn
a psychic type attack
charizard, but you have to trade it from fire red or leaf green
There can never be a defined 'best fire type'. I like Charizard as he is also a flying type.
In fire red and leaf green and emerald and ruby and saphire, you have to go to a pokemart and click on the little tiny paper and type in: link together with all
a green leaf
Reticulate
Steel type does not exist in leaf green.
nevermeltice
See Related Link.
It is a type of green grass hopper that is shaped and looks like a leaf. It uses this to hide from predators
Megahorn
a psychic type attack
charizard, but you have to trade it from fire red or leaf green
There can never be a defined 'best fire type'. I like Charizard as he is also a flying type.
Try here: http://www.whatsthatbug.com/