There is a DJ known as Nocturnal Ned who works at Arnold's hometown radio station MJZZ. Nocturnal Ned is actually a caricature of "Hey, Arnold!" creator Craig Bartlett, who also provides his voice in various episodes. In episode "World Records", one of the records in Arnold's book is set by a fictional person named Frannie Caudell. The voice of Helga is Francesca Smith, and the voice of Arnold at the time was Toran Caudell. Sid has been voiced by two brothers: Sam Gifaldi ...[Read Story ]