| Mummudrai | |
| 1st appearance: | New X-Men #114 |
- "I think Cassandra Nova is the first of a new unforeseen species."
- ―Hank McCoy
Description[]
A Mummudrai is a form of genetic or astral twin. The name is taken from Shi'ar mythology, and represents the anti-self. Cassandra Nova, the twin sibling of Charles Xavier is a Mummudrai.