he is in the house closest to the bridge in canalave city
go iside the house and talk to the guy
go to solaceon town and left of Pokemon center
He is your rival's father.
Cyrus is the guy that the people protecting lake valor mention
Same as Pokemon Diamnd/Pearl. And heres a guy doing it on Pokemon diamond: http://www.youtube.com/watch?v=9xMVXUn5whI
happiny
Define 'gray guy', there are lots of special characters in Diamond
Happiny
He is the Daycare Guy- he takes care of your Pokemon for a small fee
go to the Pokemon league and get a job
he is in jublife. if i am wrong someone else will provide an answer
go to the guy in Canalave City the house by the pokemart (diamond and pearl)
Paul
Your rivals dad.
The name of the "yellow haired" guy is Barry if you are talking about Pokemon diamond and pearl series.
there is no rare candy guy but you can buy some at battle park
You finish the Pokemon league and get the national pokedex You finish the Pokemon league and get the national pokedex