You must transfer (or trade) the event Pikachu-Colored Pichu into Pokemon Heartgold or Soulsilver. Then take it in the front of your party to the shrine in the Ilex forest with an empty party space. The awesome spiky-eared pichu will join your party and it will be at level 30.
Yes, you can catch the Spiky-eared Pichu in the English versions of Pokémon HeartGold and SoulSilver however you need access to the Gamestop or Wi-Fi Pikachu-colored Pichu distribution in order to gain access to the Spiky-eared Pichu.
You can get a Spiky-eared Pichu in Pokémon HeartGold and SoulSilver if you get the movie-event Pikachu-colored Pichu and bring it to Celebi's Shrine in Ilex Forest in HeartGold or SoulSilver.
no
you need the shiny pichu from the gamestop event. go to the ilex forest shrine with pichu in your party. press A by the shrine and the spiky eared pichu will pop up and join your team if you have an open spot in your party.
a spikey eared pichu is some pichu that has a spiky ear
You must get the Pikachu-colored Pichu and transfer it to HG. You will get the Spiky-eared Pichu if you go to the Celebi Shrine in Ilex Forest.
The Spiky Eared Pichu from the Event Pichu is holding one. Take the event Pichu in the Ilex Forrest and go to the shrine. The Spiky Eared Pichu will join your party. You can also get one from the S.S. Aqua Captain.
I don't think that there is a code for the spiky-eared pichu and only at HG/SS
You must obtain a special pichu from a Nintendo Event. With the Nintendo Pichu event pichu you go to Ilex Forrest with it as your first Pokemon. Walk up to the shrine and the event will take place. You will leave the Forrest with the spiky eared pichu and your original pichu!
not much unless you like shiny Pokemon
If you manage to get a Pikachu-Coloured Pichu sent into your game (via event or Wi-Fi) it will activate the Spiky-Eared Pichu event.Simply go by Celebi's Shrine in Ilex Forest with the Pikachu-Coloured Pichu* and an empty slot in your party and a Spiky-Eared Pichu will appear. It will be at Level 30.*Even if you have evolved thePikachu-Coloured Pichu into a Pikachu or Raichu, this special event will still work.
No, that is only avilable for Pokemon HeartGold and SoulSilver. But a Shiny Pichu can be obtained in any game with Pichu in it, but it's really hard to find.