"Big Caesar is a fictional animal character in the Hey Arnold! TV Series. Big Caesar is a 10-foot long prehistoric fish that lives in the City Lake. It was seen by Grandpa and much later caught and freed by Arnold and Gerald during a fishing contest."@en . "Big Caesar (fish)"@en . "fish"@en . . . "Big Caesar"@en . . "Big Caesar"@en . "Big Caesar is a fictional animal character in the Hey Arnold! TV Series. Big Caesar is a 10-foot long prehistoric fish that lives in the City Lake. It was seen by Grandpa and much later caught and freed by Arnold and Gerald during a fishing contest."@en . . "Prehistoric fish"@en .