No. Agrron may appeal to you at first due to its solid base 180 defence and 110 attack, but it has 4x weaknesses to fighting and ground, the two most common physical attacking types. it's special attack is bumped up during sandstorm, which is a good thing, butit's lack of sped and a reliable recovery move, aside from rest/sleep talk means it doesn't have a very good chance of surviving.
You find one in the sandstorm right in the top left hand corner you need to use your bike to go down a ramp and then there is a projektor there!
That would be seaking.
on the end before the end It is a hold item that makes the move Sandstorm last for 8 turns instead of the usual 5.
In Pokémon Diamond and Pearl, Gligar can have one of two abilities. If it has 'Hyper Cutter', then its attack power can't be lowered by opponents' attacks. If it has 'Sand Veil', then its accuracy is raised during a sandstorm, and makes it less probable that you will encounter wild pokémon during a sandstorm.
That would be Chansey.
There are no groomers in Pokemon Pearl, but you can take your Pokemon to get a massage by a lady in Veilstone City. This boosts their Happiness like it would with a haircut.
You trade them in a house left of pastoria city. She gives you the TMs Hail, Sunny Day, Rain Dance, and Sandstorm depending on the 10 Shards you give her. Nothing else.
I dont have diamond but i have pearl i doesnt matter though their the same. for these you need to have the NATIOL DEX and to have regigigas the movie Regirock only sandstorm route and hidden entrance
would be in hearthome town on Pokemon pearl or veilstone or jubilife
he is the old man in the house near the sandstorm near stark mountain , but you can only teach hydro cannon, blast burn, and i think frenzy plant to starter pokemon.
Honestly, I think the best Pokemon in Pearl would have to be draginite,salamance,palkia,or magye even gallade.
I would recommend that you use Pokemon that are good against theirs.