Karl-ness
Karl-ness is Karls own uniqe smell or scent not only resitricted to people with the name Karl. To describe your own scent you simply add ness to the end of your name eg. chris-ness, zak-ness. Everyone has a "ness" some good some bad and some peoples ness smells like shit!
I just caught a strong blast of karls karl-ness