Marmaduke's civil rights activism was thwarted by what appears to be either a police officer or a yacht captain.

Marmaduke made a sign to trick sales-people into ringing the doorbell (which, according to an obscure state law, would give Marmaduke the full legal right to feast on their bones), but his plan appears to have backfired.

Marmaduke is about to commit a hate crime.

Marmaduke occasionally has trouble slowing down or stopping, much like an automobile that occasionally has trouble slowing down or stopping.