You cant. you have to migrate it or trade it off the gba.
Wynaut.
wynaut
Wynaut only evolves when it has max friendship with its trainer.
wynaut at lv. 5
To get a Wynaut, A lady will give you an egg in Lavaridge town. It will eventuall hatch into Wynaut. Or, Infinite Wynaut will appear on Mirage Island. But seeing Mirage Island is as hard as winning the lottery! A number will be picked every day. If that number matche you pokemon's ID number, Mirage Island will appear.
You can't! Only in Ruby and Sapphire. Then you can migrate the Wynaut to Diamond and Pearl.
Wynaut
wynaut
Wynaut.
It could be, but it is ultra rare to get a Shiny Wynaut from an Pokemon Egg.
Wynaut
You get a Wynaut which evolves into Wobbuffet.
wynaut
Wynaut
You get a Wynaut egg from an old couple in Lavaridge Town. You can get it commonly on Mirage Island.
In lavaridge town an old lady will give you an wynaut egg all you have to do is hatch it.
You have to breed a Wobbuffet to get Wynaut