I remember seeing this when I was too naive to understand any of it. I wish I could see it again now that I'm older xD;
Actually he's not really a rabbit, just sees him as a rabbit (Julia's spirit animal) due to his "mysterious" connection to Julia and the Outback.
Funny the spirt animal thing came up, I nearly made the BG a cloud rabbit on this pic
>>23261/:]
http://youtube.com/profile_videos?user=electricshocktherapy