What has happened to Elijah Wood? The former child star whose career out-survived most of his contemporaries is slipping further and further into the creep zone. In the decade since his signature role as Frodo in the "Lord of the Rings" trilogy, his roles have gone from nerdy and vulnerable to nerdy and homicidal. He even starred in "Maniac" (2012), a grisly film about a murderous owner of a mannequin shop — a film that undoubtedly riffed on his pretty-boy features.