| WARNING! |  |
| The information in this article comes from Dynamites, warlord of mars and is not written by Edgar Rice Burroughs. |
Xan Mar Xu was the Jeddak of Horz and the Orovar peoples 100,000 years before the arrival of John Carter on Barsoom.
Notes[]
- The character is given both the name Xan Mar Xu, and Xan Mu Xar in the comics, majority rule show Xan Mar Xu to be his appropriate name.