#10 | Good & Plenty: This brand of black licorice candy was first introduced in 1893. These candy capsules arefilled with licorice flavor and coated with a colorful candy shell -- they're great if you love licorice and awful if you don't. Good & Plenty came in at No. 10 on Candystore.com's list of worst Halloween candies. (Provided Photo/Hershey Company)