Sir Geoffery Longbottom... ...ok I don't really have a set name. I usually just use something that involves darkness, blackness, or powerfulness. I seem to use "the little beast" a lot though.
My car is named Blue Indian because it's blue and I'm indian and it's also a song by my favorite band.
The sti is my "special" little child (ie it tends to be retarded and requires immense of amounts of attention & frustration)...