I never encountered any shinies, ever :( If I do have any, it's from events (you know, the events where the Pokémon that you get via wi-fi are always shiny :P)... I feel so unlucky, haha :(
The first shiny encounter I've ever has was when I was wandering through Shoal Cave at low tide and came across a shiny Spheal. As the time, I had no idea what a shiny pokemon even was, but I was still super excited and caught it. Just after, I quickly left and went to the pokemon center and healed my pokemon up--....Then promptly turned the game off, forgetting to save completely. ;_; I was shattered and spent the next week trying to find that amazing purple spheal, with no luck.
Come...Let your mind wander into the darkness of your greatest nightmares...
I found my first gen V shiny fairly recently! It was a Vullaby that's now a Mandibuzz. The bugger appeared in a wild double battle too, and my team was too strong to attack it without knocking it out. So kept switching my Pokemon and throwing Pokeballs at it until I got it in a Great Ball. :3
I've gotten four other shinies in the past though through wild encounter. Rattata in FR (which is now a Raticate), Zubat in HeartGold (which is now a Crobat), Aron in Emerald (now a Lairon), and Kricketune in Platinum.
This means I've gotten at least one shiny from each gen! :D
In SoulSilver, I was in the Safari Zone and I encountered a shiny Sentret. I tried to catch it but it ran away.
Trying to get a Shiny Beldum via breeding, so far no luck, if anyone wants a regular Beldum, just let me know =)
Never had my own shiny before
Friend code (Black): 3138 7853 2313 =)
Good luck. :3
Edit: 8-19 (since mine was the last post two days ago, I don't want to double post)
I've been kind of half going through a chain of voltorb for a few hours. I've been putting the DS to sleep a lot out of lack of focus on my part. I got the first one some time around 5:30 am and didn't get the next one until about two hours later despite the fact that I had to have spent at least a half hour to an hour actively looking. But the weird thing is the next one came two pokeradar resets after that one and the one after that came as soon as I caught the one before it (which is a first for me).
It's especially nice since it's apparently been two weeks since I last got a shiny and my current MM hunt for munna in White has reached 1244 eggs. And, being that this is the first MM hunt I have promised myself I will stick out, it is getting slightly tedious.
Haha I remember the very first time I caught a shiny Pokemon, It was in the Sky Tower when I was on my way to catch Rayquaza in Emerald and I ran into a Shiny Golbat. I threw my master ball at it and had to catch Rayquaza with a Ultra Ball...
Well right now, I am on a quest to catch a shiny Pokemon. I don't care what it is, I just want to be able to catch it. I might even throw my camera in front of it and record it for Youtube! :D
I restarted my Black about a week ago, and about an hour later, I found a shiny Blitzle on Route 3. I was slightly annoyed, though, because I'd been on a shiny hunt before I'd restarted.