watch 01:50 The Loop (TV) Do you like this video? Christian J. Simon (born December 26, 2007) is an American actor and voice artist. He is known for his role as Darwin Watterson in The Amazing World of Gumball. On Nickelodeon, he plays the voice of Casey from The Casagrandes and The Loud House. Retrieved from "https://nickelodeon.fandom.com/wiki/Christian_Simon?oldid=271930" Categories: Actors Voice actors Kids The Casagrandes cast members The Loud House cast members 2000 births Male Actors Community content is available under CC-BY-SA unless otherwise noted.