You cannot find Probopass in order to catch it, the only way to catch Probopass is by catching a Nosepass in Mt. Coronet and evolving it there however if you want Probopass' data for the Sinnoh Dex then there are 2 trainers who have possession of it and they are Hiker Alexander who is within Route 209 and Ace Trainer Ernest who is on the south side of Route 210.
evolve nosepass. you can find nosepass in mt. coronet.
buy the Pokemon platinum book
You can catch probopass in the chroma ruins in or by the room that has an umbreon
The 151st Pokemon is Mew and is unobtainable in Pokemon Platinum.
no you can't find a torchic egg in Pokemon platinum
try your best to find spirtomb in Pokemon platinum
There is not a route 233 on Pokemon platinum.
You cannot find zekrom in pokemon platinum
you find them in the cave
there is no such Pokemon
breed an electabuzz if you want an elekid in Pokemon platinum
You can't "find" him. You have to trade the egg from Pokemon ranger over to platinum, where you can hatch it.