| Game Only
| The characters and/or events depicted in this article pertain to games of the Ben 10 franchise.
| The characters and/or events depicted in this article are non-canon to the main series' continuity.
The Ghostfreak Nano is a miniature version of Ghostfreak from Ben 10. It was one of the first nanos to be confirmed ever, with Ben and Upgrade. However, it was replaced.
The nano resembles Ghostfreak's old appearance from the original series, Ben 10.
Not yet revealed.
- It has a design, but was replaced.
- He is one of the original series' alien nanos along with the Four Arms Nano and the Upgrade Nano. Although, like the Upgrade Nano, the Ghostfreak Nano was replaced.