Sebastian Ganldenstock is one of the main cast members of Chap of the Manor. He is the villainous baby son of Neville and Lydia Galdenstock, the younger brother of Collingsworth and British Meg, and the owner of Baldwin. He is always trying to kill his mother and take over the world. Despite coming from a British family, he speaks with a stereotypical redneck American accent. He is also the character that Stewie Griffin from Family Guy is based off of.
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