Continuity mistake: For several shots during the early scene with the baby in the crib, the blanket changes back and forth from tucked up to the chin, up to the shoulders, and up to the stomach in different angles. (00:01:55)
Continuity mistake: When Chloe is kissing Justin the shot is behind him and her hands are not on his neck. The shot switches to behind Chloe and she does have her hands on his neck.
Continuity mistake: After Lex tells Martha that he'll do whatever he can to help Jonathan, she goes into Jonathan's hospital room. As she goes through the door, the blinds next to the door are closed. When the shot switches to show Clark standing at the other window, the blinds next to the door are open. Then, as Lex goes over to Clark, the blinds next to the door are closed again.
Continuity mistake: When Jonathan shoots Clark with the shotgun, in the slow motion shot of Clark as he first starts to take the hit there is nothing coming out of the gun or on his chest. When the shot moves to Clark's left he now has red hot shot fragments on his chest.
Continuity mistake: After the encounter in the meat locker, Lex and Clark talk outside Fordman's store. As Lex turns to leave there is a truck driving down the street in Clark's direction. When the camera switches to Clark, the truck, which should be in this shot going behind Clark, is nowhere to be seen.
Continuity mistake: At the beginning, as the mother tucks the blanket up to the child's neck, she changes from both hands on the infant to one hand on the crib. (00:01:55)
Continuity mistake: When Sean is in the nurses office, having his temperature taken, the light on his left side is on. After the nurse wants to retake the temperature the light is now off.
Continuity mistake: When Kyle first confronts Rickman in his office and challenges him to a handshake, Rickman looks away. In the next shot on Kyle, Rickman is looking at him again. (00:13:20)
Continuity mistake: In the intro to the final scene, the top half of the loft doors are open with the bottom half being closed, yet at the end of the scene during the pullout, both the top half and the bottom half of the doors are open.
Continuity mistake: At the coffee shop when he intercepts Lex, Phelan suddenly acquires a cup of coffee from nowhere. (00:10:00)
Continuity mistake: When Jonathan is sitting down, before he tells Clark that he can't always be honest, in the shot from the other side of the table Jonathan is holding a book in his right hand as he is sitting down. When the shot switches to Clark's right, Jonathan is still starting to sit but now the book is in his left hand.
Continuity mistake: Right after Ryan makes breakfast for the Kents, he leans on a chair and sets the orange juice jug down twice. (00:05:35)
Continuity mistake: When Chloe and Clark are at the Torch after the pool incident with Shawn, Chloe is sitting down wrapped up in a green sweater and a blue jacket with part of her blouse showing. In the next shot, she is fully wrapped in the green sweater. Seconds later, her sweater is tucked into her jacket and her blouse is showing. (00:28:00)
Continuity mistake: When Ryan gets hit by Martha's car, his comic book goes flying out of his hand. When he falls to the ground, he's holding his comic book again.
Tempest (1) - S1-E21
Continuity mistake: The way the pillar is on top of Lionel changes in the scene. In the first shot, he's on his side and it lands on his hip. In the next shot he's now on his back and the pillar is going somewhat across his body. In the wide shot of him as the roof falls, the pillar is below his belt, almost perpendicular to his body. Then back to being on his stomach and part of his chest.
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.