David C is looking for a career that will allow him to have prestige. He doesn't want to work hard, and values continued learning. He enjoys Arts and Writing, and is good at helping people.
Bruce Banner (Hulk) Chemists study chemicals' compositions and their effects when mixed together. Think it sounds boring? Well, don't tell that to Dr. Bruce Banner or he'll get pissed and transform into a big green hulking beast that will pound your face senseless.
Professor Sherman Klump (The Nutty Professor) Professors have found a way to never get a job: they just stay in school until they are dead. Klump, at least, is one of those professors who does a lot of research and work outside of his job, which amuses his entire family.
Veronica Corningstone (Anchorman: The Legend of Ron Burgundy) Broadcasters are very often the most annoying people on television, the friendship between them is obviously false, and their jokes always seem to fall flat. Veronica Corningstone is an exception, perhaps because of her fictional nature.
Brian Fantana (Anchorman: The Legend of Ron Burgundy) Arguably greater celebrities than movie stars, television reporters win remarkable trust and praise. As for Brian Fantana, he could tell you, "Sixty percent of the time, it works every time."
Seven of Nine (Star Trek: Voyager) Chemical engineers work with chemicals, in order to make all sorts of neat things... thank them for plastic. Seven of Nine, a disconnected Borg, is the resident chemical engineer on Voyager.