Zezi

Zezi usually refers to a gentle girl on the outside with a respectful figure. But on the inside once she gets a little too comfortable, she’s a joker, can pull mischievous pranks and is really sweet.
Also defines a type of purple flower, or a cloud.

Zezi was startled

iota

A greek letter so small that it is not worth knowing.

Note that iota is now known as i, at least in the field of complex numbers (not the simple ones).