What is your favorite Pokemon type?

[Stan]

My favorite would be...

Psychic type

I simply fell in love with these ever since generation I. Alakazam stood at being one of my favorite pokemon, and psychic type staying at being my favorite type.

And after that, my second favorite...

Ghost type

I always loved the single line of Ghost-type pokemon which was composed of one single pokemon with two evolutions, one including trading via link cable (now called "Global Link" in newer generations). In case you didn't realise, these are Ghastly, Haunter and Gengar.
I've always loved Ghost type and always used to get mad at the lack of ghost type-pokemon. Well, they certainly did add some new ghost-type pokemon to the list, but nothing comparable to the original 3 ghost types.