trade from diamond pearl or platinum other than that just use cheats
route 28 at 5:00 it sould be a man u battle then he will run away and riolu
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.
Riolu doesn't evolve until it has max frienship with its trainer.
You can possibly get riolu in Pokemon black
Riolu evolves if it is at maximum happiness and levels up (at any level) during the day time.Riolu evolves with maximum friendship in Pokemon Heartgold.
kangaskhan a good website to find out about Pokemon is http://Pokemon.marriland.com/diamond_pearl/pokedex/list/all/ ^ copy and paste it to the address unless it has a hyperlink in normal dex its riolu
Riolu doesn't evolve at a specific level. It evolves with maximum friendship.
Riolu is a Fighting type pokemon.
Yes, there are Sinnoh Pokémon HeartGold and SoulSilver. Kricketot, Buneary, Shinx, Luxio, Budew, Buizel, Floatzel, Chingling, Bronzor, Bronzong, Chatot, Carnivine, Pachirisu, Riolu, Skorupi, Hippopotas, Gible and Croagunk are all available in the wild in both HeartGold and SoulSilver.
If your riolu is following you in heartgold or soulsilver you can talk to it.
by friendship , like in all the others :)
You can get riolu by releasing 5 lucario's at the release point you will get a riolu ticket use it at the recruit point to get riolu.