While Bob's Burgers is a hilarious animated series about a family running a restaurant, there is one main mystery throughout the animated series: why does Louise wear bunny ears? The youngest Belcher sibling, voiced by Kristen Schaal, is one of the most popular characters on the show thanks to her take-charge personality, love of schemes, and biting comebacks. She is one of the best characters in the Bob's Burger movie and is involved in the main storyline thanks to her intelligence and wit.