the Pokemon that dawns little sister tells you
You can get Duskull by using the Pokeradar on Route 224 in Pokemon Diamond. You must use the Pokeradar at night in order to find and catch Duskull.
the Pokemon you would normally find but with pokeradar you can get the shiny version of that Pokemon but that takes hours and there are some special rules for to get it. also pokeapp 20 is something you can use with using the pokeradar
You can only get Wynaut in-game by breeding Wobbuffet, which you can get at the three lakes by using the PokeRadar.
Pokeradar on route 230
Route 222 with pokeradar
The Pokemon you can find in Acuity Lakefront using the Poke Radar on Pokemon Diamond is Snorunt. Snorunt can be evolved into Glalie at level 42 or Froslass if it's a female and you use a Dawn Stone on it.
Pokeradar on routes 209 and 210
sometimes you can use pokeradar. if you us pokeradar and get 599 smurgles the 600th will be a wyruant
you can find miltank at route 209 with pokeradar (2%), and route 210 (south) also with pokeradar (2%)
pokeradar is not in FR. it is in Diamond, Pearl, and Platinum
on route 230 use your pokeradar
Route 227 and Stark Mountain with pokeradar