Mr. Zero is quite bad tempered, he has a yellow and black striped megaphone, that can be seen out of the run-down wooden dock-building that he works in Zero dock, he was sent away when Sir Topham Hatt discovered how mean and evil he was.
- Zero's body has been never seen, only his megaphone.
- Zero is the first character to not been seen.
- Zero is the first villain in the series.