Azelf is there because it's a favourite of mine, and I love to use it. It might be a legendary, but I spent a long time perfecting it, and I'm not taking it off.
Electrode, Flareon, and Skuntank are part of a tag team setup for a strategy I created, that seems to win me most of my double battles without many problems. (Note: Not sure how original the strategy is, but I came up with it independently from anyone else.)
Spiritomb and Gardevoir are there simply because I lack ideas for what else to put there, and I happen to like them.
The win to loss ratio is mostly because most of my opponents seem to get the odd idea into their heads that telling me their strategy is a good idea. I really have no idea why that is, but it does mean that I'm able to defeat them with relative ease.
The three stars are for the Pokemon League, doing the underground flag thing, and finishing the Pokemon contests on Sapphire. Unfortunately I lost the game cartridge for that game, and had to get a new one. It's always felt to me like that killed a small part of me...