Pokemon:

Stage 1: "OMG. LIKE, PIKACHU."

Stage 2: You learn there's other pokemon that are better than Pikachu.

Stage 3: "Let's see....fire beats grass, water beats fire, and grass beats water. Like rock-paper-scissors!"

Stage 4: You finish the first season and beat the first game.

Stage 5: You slowly advance and are the champion in 5 regions.

Stage 6: You've entered tournament after tournament, and can name every episode by heart.

Vocaloid:

Stage 1: You love Miku.

Stage 2: You learn how to sing some of her songs.

Stage 3: You're introduced to the other vocaloids.

Stage 4: You're always listening and have learned lots of songs by heart.

Stage 5: You rant. And rant. And rant.

Stage 6: You may or may not have OCs.

MLP:

Stage 1: You love the mane 6.

Stage 2: You start shipping stuff.

Stage 3: You're caught up on all seasons.

Stage 4: You can name everypony by heart.

Stage 5: You go on quests to rid the world of anti-bronies.

Stage 6: You have OCs, you're in about 10 roleplays, and your room is filled with posters.

This is what I think of the fandoms. What stage are you in? I am:

Pokemon: Stage 6

Vocaloid: Stage 3

MLP: Stage 6