Marmaduke and Carlos are characters from the 2010 movie Marmaduke. Marmaduke is a Great Dane, and Carlos is his best friend, a Balinese cat. The film follows Marmaduke and his family as they move to Orange County, California, and Carlos provides comic relief and support for Marmaduke throughout the adventure. Marmaduke is voiced by Owen Wilson, and Carlos is voiced by George Lopez.