Doctor Diaper

Dr. Diaper (or Dr. Niko Nappy in UK versions of the Captain Underpants show) is the primary antagonist in the Captain Underpants show. He is a guy in a diaper who plot to rule the earth with dangerous gadgets.
Category:Characters
Category:Antagonists
Category:Males
Category:Villains
Category:Adults
Category:Reformed Characters
Category:Anit-Heroes