characteristics — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
defects — a shortcoming, fault, or imperfection: a defect in an argument; a defect in a machine.
mannerisms — a habitual or characteristic manner, mode, or way of doing something; distinctive quality or style, as in behavior or speech: He has an annoying mannerism of tapping his fingers while he talks. They copied his literary mannerisms but always lacked his ebullience.
oddities — an odd or remarkably unusual person, thing, or event.
vices — any of various devices, usually having two jaws that may be brought together or separated by means of a screw, lever, or the like, used to hold an object firmly while work is being done on it.