The letter "B" has a natural symmetry. The symmetry can represent a type of duality.
In this situation, it can represent the lightness and the darkness to Bundy's personality.
Yellow has a bright and happy tone to it, much like his "normal" life. Black is the lack of
all color, and it shows darkness, much like his secret life. The shadow of the "B" is
further representation on Bundy's secret life. The letter "B" can stand for many words
such as, beautiful, bold, bad, and bemuse.