Trivia: When Dawn is looking through the yearbook, some of the names seen are people who worked on "Smallville." Mairzee Almas was one of the directors who would go on to direct Kreuk (Lana) in "Beauty and the Beast" and a few other DC shows. Assistant editor Anthony Ashley, assistant directors Jen Carpenter and Rob Duncan, costume designer Caroline Cranstoun, and location manager Michael Hauka. Many would also go on to work on other DC shows.
Trivia: The Daily Planet article about Lionel Luther being found guilty was reported by Perry White. When Perry was seen in season 3, he was a disgraced reporter, after Lionel got him fired, who worked as a tabloid reporter. He vowed to get sober and get his career on track at the end of the episode "Perry." He isn't physically seen again until the end of season 9.
Trivia: When at Molly's, Lex tells Clark she sent another email and asks if Clark recognized it, which belongs to Martha Kent. The email address is "CNH320@instamail.org." CNH 320 was the license plate number of the General Lee in "The Dukes of Hazzard" (which stars John Schneider who plays Johnathan Kent).
Trivia: The song Greg is listening to while driving before the bugs swarm him is "Last Resort" by Papa Roach, another bug reference.
Trivia: When Clark saves Oliver he gets a bullet on his eye just like Brandon Routh in Superman Returns.
Trivia: The 9/11 attacks occurred during production. As all planes were grounded, Annette O'Toole had Michael McKean drive her to and from Vancouver; during those car trips, they wrote the songs which later appeared in A Mighty Wind. They later earned a Best Original Song Oscar nomination for "A Kiss at the End of the Rainbow."
Tempest (1) - S1-E21
Trivia: Remy Zero, the band who plays the opening theme of the show, has a cameo in this episode.
Trivia: The mansion of Lex Luthor is the same one used in the Arrow TV show and in the X-Men films.
Trivia: Lex Luthor owns project Cadmus. In the comics project Cadmus is where he performs several experiments on metahumans and where he made Superboy and Supergirl clones.
Trivia: Justin Hartley is the first actor to play a live-action version of the Green Arrow.
Answer: No, there is no such character in the comics. He's a "meteor-freak" like all the other baddies on the show. The sound has something to do with him vibrating his vocal cords very fast to create a high-pitched squeal.