I put up a LV37 Clefairy for a Dialga, any level. I check back and get a LV100 Dialga! I knew it was hacked, and I'm not one to like hacked Pokemon. So, I traded it for a legit Shiny Palkia, freshly caught (LV47), no EXP gained. Too bad it's nature is Naughty. I might trade for something...