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Your sig made me laugh, since I feel the same, being 16 and still a Pokemon addict, and I actually enjoy telling people, so something awesome... like... a Jirachi!
Without trying to focus on the pictures in your signature/avatar, I do think that you fit as a Misdreavus, because of the texture in your signature. Or no, you fit as a Wobbuffet! They live in dark places and are patient and calm. Maybe a bit far-fetched, but that's what I think.