Traditional Variations:
* Jeniffer (common alternate spelling)
* Jenniffer (less common but still seen)
* Jenipher (less common, more unique)
Creative/Unique Spellings:
* Jennefer
* Jenifer
* Jynifer
* Jynnafer
* Jennev'r
* Jenniver
* Genifer
Nicknames:
* Jen
* Jenny
* Jeni
* Jenn
* Nina
It's worth noting that many of these unique spellings might be considered unconventional and could potentially cause issues with official documents or recognition.
Ultimately, the best spelling for you is the one that you like the most!