Sudowoodo is found blocking the path on Route 36.
you have to go to the radio tower and stop team rocket from capturing it.
go back to goldenrod flower shop and get water pail sprinkle it on sudowoodo
you dont on less you hack pokemon soulsilver/heartgold. but be careful if you hack because hacking is illeagle
you half to catch a jynks in the ice path or from the seafoam islands
you can't find one you have to go to the icy path and catch a swinub or trade on from platinum
Complete the quest (underground path/underground basement) in that same city (south) check online for further details.
In the Icy Path, which leads to Blackthorn City. It's near the beginning of the cave.
You get it in the Ice Path.
ice path
in backtorn city
Whirlpool is in ice path.
on the way to blackthorn?