You'll have to battle him.
here are his Pokemon. No matter whatever starter Pokemon you choose, your rival will have a lv34 staravia.
Pokemon Level Type Moves
Staravia Level 34 Normal/Flying
Wing Attack
Quick Attack
Endeavor
Double Team
If you chose Turtwig:
Buizel Level 32 Water
Aqua Jet
Quick Attack
Pursuit
Growl
Roselia Level 32 Grass/Poison
Mega Drain
Poison Sting
Leech Seed
Magical Leaf
Monferno Level 36 Fire/Fighting
Flame Wheel
Mach Punch
Fury Swipes
Leer
If you chose Chimchar:
Roselia Level 32 Grass/Poison
Mega Drain
Poison Sting
Leech Seed
Magical Leaf
Ponyta Level 32 Fire
Ember
Stomp
Tail Whip
Growl
Prinplup Level 36 Water
Bubblebeam
Peck
Metal Claw
Growl
If you chose Piplup: Buizel Level 32 Water
Aqua Jet
Quick Attack
Pursuit
Growl
Ponyta Level 32 Fire
Ember
Stomp
Tail Whip
Growl
Grotle Level 36 Grass Razor Leaf
Bite
Mega Drain
Withdraw
Hope this helps! more info at psyokes.com where you can get full walkthrough and what Pokemon you can find and stuff
Pastoria city
the gym is in wait next time type in which version becase diamond pearl and platinum are different d/p veilstone city platinum hearthome.
well you will have to defeat the 5th gym leader and once you defeated her she will give you the TM move shadow claw you will find the 5th gym leader at hearthome city before you deafeat the gym leader you will need to defeat the 4th gym leader in order to defeat the 5th gym leader
In pastoria city 5th gym eader I havent played diamond and platinum in a long time because i got soul silver and heart Gold my action replay broke the platinum silly thing
You can get it in Pastoria City from a dude who claims to be " standing smack-dab in the middle of town".
In Celadon City, your rival is Erika.
Pastoria city
lost tower 5th floor
department store in veilstone city 5th floor
take the door from the 5th
Pastoria city
An album by rapper Rich Homie Jon, coming out April 2015. This will be his 5th album and if it hits platinum again this will be the 5th time.
in heartthome city, or if u beat that gym already veilstone
If youre talking about Platinum, Crasher Wake has a Quagsire, Gyrados (I think), and a Floatzel.
Victini is a 5th generation Pokemon which means you can't get it in Pearl, or Diamond and Platinum for that matter.
You get it just before you arrive in fortree city. After you get the 5th gym badge from petalburg gym, and you travel to fortree, you will fight team aqua at the Weather Institute. Just after this, your rival will appear and challenge you. Your rival gives you the HM02(Fly) for winning this match.
the gym is in wait next time type in which version becase diamond pearl and platinum are different d/p veilstone city platinum hearthome.