Is there a fancy name for these letters that "hang low"?
Yes, they're called descenders, a term which also refers to the part of the letter that dips below the line.
They have descenders. I don't think the letters themselves have a name.
Edit: I stand corrected.
a. The part of the lowercase letters, such as g, p, and q, that extends below the other lowercase letters.
b. A letter with such a part.
Letters like g, p, q and j are called descenders or descending letters.
protected by tchrist♦ Jul 6 '14 at 23:52
Thank you for your interest in this question.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?