Trivia: Director Andy Muschietti has a cameo as a customer at the pharmacy where Eddie picks up his prescription.
Trivia: The heavyset man speaking at the architects' meeting - the first one we see in this scene and who viewers might at first think is the adult Ben Hanscom, before realizing Ben is skyping in to the meeting - is Brandon Crane, the actor who played the young Ben Hanscom in the 1990 TV miniseries version of IT.
Trivia: Pennywise appears for only 10 minutes in the entire film.
Answer: Pennywise eats Adrian Mellon because he has just awoken from his sleep and is hungry. Pennywise will feed on anyone but prefers his victims to be afraid because the meal is more satisfying. It is described in the book as like "salting the meat." Likewise, Pennywise prefers children because their fear is more intense.
BaconIsMyBFF