Actually, I don't know in the Anime series, but you get to name him in the game.
After you defeated Mayleene your rival will be waiting for you and Lucus/Dawn will tell you that Team Galatic has his(Lucas)/ her (Dawn) PokeDex go after your friend and help him/her out. After doing so Looker will be having a little chat with you to and follow Looker in that hideout and you will see a PokeBall, that PokeBall contains HM 02 FLY.
The differences I know so far, is that there are going to be a couple new pokemon. I think the names of them are Keldeo, Meloetta, and Genesect. They are also bringing back some pokemon from older regions. Thats all I know so far. :D
The champion is your rival.
your rival would pick a water type Pokemon which is a squirtle
your rival
The PokeBall containing the Pokemon that neither you nor your rival took will remain at Professor Elm's desk for the rest of the game. The PokeBall will never be given out for use by you or anyone else.
Your rival is named Rival and he's the same rival from Gold, Silver, and Crystal version. His official name however is Silver.
You get it as a prize from beating your Rival at Silph Co.
Your rival will have a Venusaur if you chose Squirtle as your starter.
Your rival gives it to you after you battle him/her near the weather institute.
Finish your Pokedex And Beat The Elite Four once then the second time they have stronger Pokemon
it depends on what Pokemon you have. he/she will have the Pokemon with an advantage over yours. train hard and you will succeed!
You can't
you cant.you have to get it in an event.then go to ilex forest,and you see your rival's past.
go to orburgh mine and talk to roark
In the Japanese version, Green is a boy (in the USA, Green is a girl). Blue is the name of Red's rival in the American version.
Pokemon prism is a hack game based off Pokemon Gold version. You start with a Larvitar.There is also a demonic rival and a troll professor.