Simon Grover (born 25 November 1966) is a British actor and writer. He is also a Green Party Councillor on St Albans City Council. As an actor, he played main characters in two BBC children's series: Gigglebiz and Tweenies. He appeared in the feature film Harry Potter and the Deathly Hallows – Part 1 (2010), in which he played a Death Eater. He has also written for children's television series, including Waybuloo, Fimbles, Bobinogs, Big Cook, Little Cook, Fun Song Factory, Driver Dan's Story Train, and Planet Cook.