I think you are referring to a drifloon or a drifblim. Drifloon is a ghost/flyig Pokemon and so is it's evolution drifblim.
I might be mistaken, you might also be reffering to jigglypuff, written as the "balloon" Pokemon but considerng you said Diamond, I think you mean the Drifloon.
There are 22 flying-type Pokemon.
Riolu is a Fighting type pokemon.
water
You can't. There is no such thing in any legit version of Diamond or Pearl.
You can only type in codes with a action replay or gameshark.
Misdreavus is a Ghost type Pokemon available only in Pokemon Pearl (of the fourth generation games). It may be traded over to Pokemon Diamond.
easy just go to Google then type in Pokemon pearl or diamond action replay codes then click on the 1st website . Or neoseeker.com
It can evolve Pokemon. Here is a list of what it can evolve: Misdreavus---> Mismagius Murkrow---> Honchkrow If your going to get Pokemon diamond/pearl,please beware of the type of Pokemon you can find.For Example,Murkrow can only be found in Diamond,not Pearl or Glamow can be found on Pearl but not on Diamond,But what i mean is there's only 2 Pokemon (In Diamond/Pearl) that can be found on each game. Here's the list: Murkrow---> Honchkrow (Diamond) Stunky---> Stunktank (Diamond) Misdreavus---> Mismagius (Pearl) Glamow---> Purugly (Pearl)..... But 1 other thing,only 1 Pokemon (In each game) can be used with dusk stone,so pick WISELY....
in Pokemon : pearl in real life : quartz
Glameow is a Normal type Pokemon introduced in the fourth generation games. It cannot be caught in Pokemon Diamond and must be traded over from Pokemon Pearl.
type in wikianswers how to get gracidea flower in platinum its the same in pearl to
Go to pokesav.org download it and you can alter your Diamond Pearl or Platinum game any way you like