I tend to give my fosters very geeky names at times (and even my own cats.) RB Mobius got her name because she twisted like a Mobius strip when she was a kitten. CB, short for Carbon Black, was a black kitten. Quark was another black kitten that I swear could go invisible. (A "quark" is a very elusive subatomic particle.) A friend of mine had a cat named Sohcahtoa. This is from a trig mnemonic!