No. Riolu did not exist during Generation III, which was the generation Pokemon FireRed & LeafGreen versions were set in.
Catch a Riolu and evolve Riolu.
You can not catch it in leafgreen,but in firered you can.
yes u can get riolu in Pokemon heart gold and soul silver you catch him or her in the safari zone and you can catch lucario in the safari zone two.
you can't- you have to catch pikachu and evolve him
Yes it is possible.
You haven't made it far then. You can catch old pokemon. Yes, you can catch Riolu in the challenger's cave after you beat the elite 4. He's rare though.
Anywhere that you can catch Riolu. Shiny Pokemon can appear anywhere and anytime; with a 1/8192 chance of one appearing.
Nowhere no hoenn Pokemon can be captured in leafgreen.
You cannot do that unless you have Pokemon rangers 2. So if you want another riolu you have to get Pokemon rangers 2.
Catch 'em all
"How do I get an ekans in Pokemon leafgreen?"You can't catch an ekans in Pokemon leafgreen, but you can catch it in Pokemon firered and trade it.I got my Ekans at route 10 at lv. 4
you cant get toros on leafgreen you need to catch one on firered and trade it to leafgreen