Rattles' father

Rattles's dad works in marketing. He taught some of his marketing knowledge to his son. According to Rattles, he "swears by" Dr. Zeke Robbins' Guide to Unlocking Your Secret Talent

Arthur

 * 1606a. "The Last Tough Customer" (Mentioned)
 * 1806b. "Whip. Mix. Blend." (Mentioned)
 * 2105a. "Slink's Special Talent" (Mentioned)