List of notable fictional characters whose name is Dennis, including photos when available. The fictional characters named Dennis below come from every kind of genre and medium. This list includes movie characters named Dennis, TV characters named Dennis, and book character named Dennis as well. We've even included some notable video game characters whose name is Dennis when applicable. Whether you're looking for comedy characters named Dennis or drama characters named Dennis, this list has you covered.Who are the most well known fictional Dennis'? Some of the more memorable names below include Dennis Reynolds from It's Always Sunny in Philadelphia, Dennis "Cutty" Wise from The Wire, and Dennis Rickman from EastEnders. This list is ranked by the votes of users like you, so vote for your favorite characters below if you want to see them higher on the list. If we left your top character named Dennis off the list, feel free to add them.