Mewtwo, yes, if you have a FireRed or LeafGreen with Mewtwo.
Mewtwo doesn't learn Psybeam.
The Celadon Mansion is the large building by the Department Store and Pokemon Center.
No you find it in Pokemon mansion.
u cant get mewtwo in platinum. But, you can get him on: Firered, Leafgreen, ect.
You have to go to the Pokemon mansion, This mansion is located in thee same town as the 7th gym leader. In the Pokemon mansion there will be many ways to walkthrough. (Hint, The mewtwo statues have switches.)
Yes, Mewtwo can be caught in Cerulean Cave. As far as Mew is concerned, only hints about it's existence can be found in the Pokémon Mansion at Cinnabar Island. There is no way to catch Mew in Pokemon FireRed of LeafGreen. You have to trade it.
You can find Mewtwo in the Cerulean Cave.
no, firered or leafgreen
You can get Mewtwo in the Cerulean Cave.
yes
Mewtwo, yes, if you have a FireRed or LeafGreen with Mewtwo.
Growlithe is found in the Pokemon Mansion on Cinnabar Island in Pokemon Firered.
No migrate him from firered or leafgreen to get him.
mewtwo is in cerulean cave
There is no Mewthirty, there is only Mewtwo.
Mewtwo doesn't learn Psybeam.