William is a minor character from the The Amazing World of Gumball, and takes roll as the main antagonist of the episode, "The Voice". He threatens both Gumball and Darwin because they both rejected to be his friend on Elmore Plus. He has the power to make bad things happen, such as making all the lockers in the school to open with his mind. His plan was to seperate Gumball and Darwin of their friendship, but failed. Doing so, he threatened them even more. At the end of the episode, he apologizes to them, but is then again smack outside the bathroom window by Gumball.