Prentice

Prentice is Dennis' maternal cousin who looks like him in every way. He made his sole appearance in Double Dennis.

Personality
Prentice may look like Dennis in every way, but he acts different to him in every way. Prentice is better behaved, and was able to charm Margaret by saying kind stuff to her.

Appearance
Prentice has the same blond hairstyle as Dennis Mitchell, and visible freckles, but he is more commonly seen wearing a white dress shirt, a navy tuxedo, navy formal shorts, a red bow tie, white socks, and red and white sneakers.