i think a dude gives to you when it is still a little egg.
happiny and riolu
You find it in the Pokemon mansion. I'm not to sure but that is the place to find Happiny in diamond and pearl.
The hiker (in Pokemon Diamond, Pearl and Platinum) to find a Happiny will be on Route 210, South Pokemon with Breeder Kahlil.
Happiny
Happiny is a Pokemon from the newest generation, Diamond; Pearl; Platinum. So you cant get happiny in Sapphire
happiny
Happiny
Happiny
You can't. you have to trade from Pokemon diamond or pearl.
The Pokemon Is happiny
Cynthia Has A Happiny Go And Talk To Her?? wrong. Cynthia gives you a happiny egg in pearl and diamond. in platinum, it is togepi
It will evolve a happiny to a chansey (but if you do that on Pokemon diamond or pearl i don't think you can get another happiny so beware!).