A Great Dane whose viral cannonball dive video catches the attention of trainer Guy Hilton. After a disastrous local dog show, Marmaduke runs away, embarks on a heroic global journey, and returns for the World Dog Championship. Despite his trainer's injury, his family coaches him through the final challenge. He ultimately saves his family and a cameraman from a collapsing platform, proving his worth and bringing his family happiness.
Target of the owners' fraudulent scheme to secure their dog's victory.
Direct competitive rival who uses underhanded tactics to undermine Marmaduke.
Explore the full interactive character relationship map of Marmaduke