Three, actually. My mum thought it'd be funny to give my brother and I each other's names as middle names, then our own middle names, then the name of our father. She was a bit drunk at the time.
If it makes you feel more at ease, I'll call you Wolfwood from now on. Seems only fair. And you've gotta love those things you do to yourself as a kid that would make you feel like a badass as an adult. Got my first tattoo at 12, found it to be a bloody stupid mistake, since who the hell wants Killer on their wrist? Luckily, the one down my finger and hand covers it up now.