Wally: For thousands of generations, the males in my family practiced selective breeding. The goal was to produce offspring that leave no biometric impression: no pulse, no fingerprint, no DNA.
Wally: We like to ask "Why not?"
You couldn't pick her out of a lineup of one.
—Maebe, Arrested Development
He was about...he was 'about'. He was about twenty, or about thirty. On Watch reports across the continent he was anywhere between, oh, six feet two inches tall and five feet nine inches tall, hair all shades from mid-brown to blond, and his lack of distinguishing features included his entire face. He was about...average.
—A description of Moist von Lipwig, Going Postal
"There are some people who leave impressions not so lasting as the imprint of an oar upon the water."
—Robert, The Awakening
Twenty people saw a man, and not a single one can describe him apart from being bald with a...tattoo on the back of his neck.
— Detective Faulkner, Hitman: Absolution
Not being noticed. It's a kind of death. The hot girls know every eye is on them. The jocks showboat. Even the geeks get bullied. But not to be seen at all? Makes sense, I guess. I wasn't good looking... wasn't ugly. In fact... I wasn't much of anything.
You don't stand out in a crowd. In fact, you don't stand out at all. People just don't notice you unless you make some kind of fuss. Naturally, such unobtrusiveness comes in handy; while bystanders are paying attention to more-memorable folk, you're off checking facts, investigating details or slipping objects into your trenchcoat. Being bland has advantages.
—The Unobtrusive merit, Mage: The Ascension - Guide To The Technocracy