In Pokémon Diamond, you can get a Torchic Pokémon Egg by breeding a male Torchic, Combusken or Blaziken with a Ditto or you can use a female Torchic, Combusken or Blaziken and breed it with a male Torchic, Combusken or Blaziken, with Ditto or with Pokémon in the Field Egg Group which will include Rattata, Raticate, Ekans, Arbok, Sandshrew, Sandslash, Nidoran Female and Male, Nidorino, Nidoking, Vulpix, Ninetales, Diglett, Dugtrio, Meowth, Persian, Psyduck, Golduck, Mankey and its evolution of Primeape, Growlithe, Arcanine, Ponyta, Rapidash, Farfetch'd, Seel, Dewgong,
Rhyhorn and its evolutions,
Tauros,
Eevee and its evolutions,
Cyndaquil and its evolutions,
Sentret, Furret,
Mareep and its evolutions,
Aipom and its evolution of Ambipom,
Wooper, Quagsire, Girafarig, Dunsparce, Snubbull, Granbuill, Sneasel, Weavile, Teddiursa, Ursaring, Swinub, Piloswine, Delibird, Houndour, Houndoom, Phanpy, Donphan, Stantler, Smeargle, Miltank, Torchic and its evolutions, Poochyena, Mightyena, Zigzagoon, Linoone, Seedot and its evolutions, Slakoth and its evolutions, Whismur and its evolutions, Skitty, Delcatty, Mawile, Electrike, Manectric, Wailmer, Wailord, Numel, Camerupt, Torkoal, Spoink, Grumpig, Spinda, Zangoose, Seviper, Kecleon, Absol, Spheal and its evolutions, Chimchar and its evolutions, Piplup and its evolutions, Bidoof, Bibarel, Shinx and evolutions, Pachirisu, Buizel, Floatzel, Buneary, Lopunny, Glameow, Purugly, Stunky, Skuntank, Lucario, Hippopotas, Hippowdon, Snivy and its evolutons, Tepig and its evolutions, Oshawott and its evolutions, Patrat, Watchog, Lillipup and its evolutions, Purrloin, Liepard, Pansage, Simisage, Pansear, Simisage, Panpour, Simipour, Munna, Musharna, Blitzle, Zebstrika, Woobat, Swoobat, Drilbur, Excadrill, Sandile and its evolutions, Darumaka, Darmanitan, Scraggy, Scrafty, Zorua, Zoroark, Minccino, Cinccino, Deerling, Sawsbuck, Emolga, Cubchoo, Beartic, MIenfoo, Mienshao, Bouffalant, Heatmor, Chespin and its evolutions, Fennekin and its evolutions, Bunnelby, Diggersby, Litleo, Pyroar, Skiddo, Gogoat, Pancham, Pangoro, Furfrou, Espurr, Meowstic and Dedenne.
If you put a male Pokemon and a female Pokemon in the Day Care in Solaceon Town, they will eventually have an egg. That is breeding in Pokemon Diamond+Pearl.
By breeding Arcanine and Houndour.
no you can't find a torchic egg in Pokemon platinum
It's not possible to simply find a Torchic egg on Pokémon Emerald. Instead ,you would have to breed a female Torchic, Combusken or Blaziken.
you get the manaphy egg in Pokemon rangers and send it into Pokemon diamond or pearl
You get a togepi egg in Pokemon Platinum, not Diamond.
Have two Nintendo DS one have the Pokemon Ranger and one with the Pokemon Diamond. Then go to check egg. Then you have it.
It is not possible to get a Lugia egg in Pokemon Diamond. It is generally impossible to get an egg of a Legendary Pokemon the only exceptions being Manaphy and Phione.
Happiny
Manaphy is obtainable in Pokemon Diamond if you also have a copy of Pokemon Ranger. The game Pokemon Ranger is able to communicate with Pokemon versions; Diamond, Pearl, Platinum, HeartGold and SoulSilver to transfer a Manaphy Egg to them. This Egg can be hatched like any other Pokemon Egg.
Breeding Turtwig with another compatible Pokemon.
you cant unfourtanately