Michael Finch
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This topic might have a better name.
Is there somewhere that calls him Jacob? His credited name is Clive's Son.
Talk about it here.
Jacob Finch was the son of Clive and Caroline. In 2005, he answered the door to speak to Rose Tyler. She asked for to speak for Clive, and he called for him, saying Rose was "one of [his] nutters".
Later, while shopping, he saw Autons kill his father in their invasion of Earth. Jacob and Caroline ran from them. (TV: Rose)