Who's your favorite Pokemon?

This is an unsurprising thread coming from me since I've recently fallen into obsession with Leavanny (I mean how can i not she is toogoodforthisfuckingworld) but as a result I've become curious about what other people's preferences are.
You can guess mine by my profile picture on discord, this place, and virtually anywhere else, along with this thread. What's your guys' favorite Pokemon?

 

Gardevoir's my definite favorite, though I really have a soft side to Braixen.

 

I've always been partial to Generation 4 Pokémon. I think their designs and cries are easily the best in the series. As for my favorite, I would have to go with Porygon-Z because of its wacky charm, with the Drifblim line being my second favorite.

 

obviously,

 

Metagross
Great mega and has awesome raw power from his tough claws ability when he mega evolves; plus his design is cool.

 

The answer's rather obvious:

Spoiler: General Answer

I like each and every one of these buggers almost equally.

... but if I have to choose:

Spoiler: Definitive Answer

Sylveon's been my favorite ever since it was introduced in Gen VI. It's the reason I started using Pokemon Amie for the first time, and it ended up carrying me through most of the main game. On top of that, it's really cute.