Scrooge

there is nothing wrong with using this colorful and highly evocative name, but be aware of how many such expressions in the English language are male-based. Balance their use with female-based expressions, creative expressions of your own, or sex-neutral alternatives: tightwad, money-grubber, penny pincher, pinchpenny, miser, skinflint, cheapskate, piker, cheeseparer. See also sex-linked expressions.