Not exactly 'nature' themed, but with a few alterations this idea could work for you:
Ezio Auditore da Firenze (AC II)
Moka Akashiya (Rosario + Vampire)
Homura Akemi (Madoka Magica)
Next Con: BABScon 2015
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I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living, it's a way of looking at life through the wrong end of a telescope. Which is what I do, and that enables you to laugh at life's realities.